| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 254093000 | Portable automobile jacks | 18 |
| 20080203372 | LIFT ARM ASSEMBLY WITH INTEGRATED CYLINDER STOP - A hydraulic lift arm assembly includes a lift arm, a lift cylinder raising and lowering the lift arm, a lift arm stop, and a stowing mechanism. The stowing mechanism automatically retains the lift arm stop in a stowed position in response to the lift arm stop moving into the stowed position. The lift arm stop is movable into a locked position in which the stop resists substantial actuation of the lift cylinder from an extended condition, and thereby resists substantial lowering of the lift arm from a raised position. The lift arm stop may include a slot and pin arrangement to permit linear and pivotal movement of the stop with respect to the lift arm. The linear movement may provide clearance for a tongue on the stop to pivot past a portion of the lift cylinder as the stop is moved into the locked position. | 08-28-2008 |
| 20080272351 | All-Air Vehicle Lifting Jack - Disclosed is an all-air jack for lifting a vehicle, comprising: a frame assembly; a first bellow at an upper portion of the frame assembly; a second bellow at a lower portion of the frame assembly; an air bellow attachment plate positioned between the first and second bellows; an air supply with a first and second air tube, the first air tube in communication with the first bellows and the second air tube in communication with the second bellows; wherein inflation of the bellows raises the jack to lift the vehicle. The first and second air tubes and air supply are connectable by a 3-way air valve. Preferably, 120 psi of air is used to inflate the bellows. | 11-06-2008 |
| 20090026430 | LIFTING AND CRIBBING SYSTEMS - Underlying surface lift systems and methods are disclosed that facilitate the lifting and moving of constructions, including but not limited to structures, and machines, implements, building materials, earth, rock, and other massive massively weighted and/or large dimensioned objects or materials. The underlying surface lift systems and methods may be used or performed in combination with one or more support elements to the construction or other item to be lifted, such as steel I-beams or wooden beams or other supportive elements. The invention comprises in some embodiments underlying surface lift systems and methods, alone or in combination with or performed with supportive elements generally, such as beams and other devices or elements. Further embodiments may include an underlying surface lift apparatus having a support plate and a lift device in adjustable connection with the support plate. In some embodiments a pivot saddle is the adjustable connection of the support plate and the lift device. The invention may comprise technology that facilitates the lifting and moving of constructions such as structures or other objects, particularly those having support elements, while reducing the costs and hazards of traditional jack systems and without the added costs and risks associated with complex crane operations. Other disclosed embodiments are methods of lifting from an underlying surface, business methods of lifting and moving constructions objects, or materials, and methods of cribbing constructions, objects or materials are further disclosed. Still other methods such as those corresponding to each apparatus and assemblies are also disclosed, as well as methods of doing business. Applications may include the lifting and relocating of structures such as temporary or extension buildings to new locations and other lifting and moving solutions and may be provided in combination with other relocating technologies. | 01-29-2009 |
| 20090045384 | Tool With Hydraulic Valve System - The invention relates to a hydraulic tool, in particular a rescue tool, provided with pivotable parts and with a hydraulic valve system having a double-action hydraulic cylinder connected thereto for driving the pivotable parts, wherein the hydraulic valve system comprises: —a differential valve element (K- | 02-19-2009 |
| 20090065752 | LIFT WITH LOW PROFILE ROTATABLE COUPLING - A lift includes a housing for rotatably receiving a hydraulic cylinder with a piston rod coupled to a generally cylindrical support tube. A low profile connecting head for supplying hydraulic fluid to the cylinder is rotatably mounted to the housing but captively held to the housing in the axial (longitudinal) direction. This allows the connecting head to be rotated during installation of the lift to a table leg for easy coupling to the pressurized source of hydraulic fluid. | 03-12-2009 |
| 20090065753 | Optical Fibre Installation Apparatus - A device for use with apparatus for installing a cable into a tube, the apparatus including means to mechanically drive the cable into the tube, the device being suitable for directing an air flow into the tube and comprising a bore into which the air flow is directed, the bore having a length and a longitudinal axis, shielding means to reduce air flow from the bore along the longitudinal axis of the bore, wherein the shielding means extends the length of the bore, and wherein the bore is formed from the shielding means. | 03-12-2009 |
| 20100012909 | LIFTING APPARATUS - A utility lift may include a base frame; a platform; a first support frame that may include a plurality of support arms, wherein the first support frame may extend between the base frame and the platform; a second support frame that may include a plurality of support arms, wherein the second support frame may extend between the base frame and the platform, wherein the second support frame may be rotatably coupled to the first support frame; a lifting power source assembly coupled to the base frame and the second support frame; and a pump that may be coupled to the base frame, wherein the pump may be coupled in flow communication to the lifting power source assembly using a fluid line. | 01-21-2010 |
| 20100025647 | RESCUE DEVICE WITH SPREADING MECHANISM - The invention describes a rescue apparatus ( | 02-04-2010 |
| 20100108967 | Jack with Scale Including Protective Cover - A simple, inexpensive jack that can be used in severe working environments and can check an amount of raising and lowering movements of a piston of the jack at any time during working. The jack includes a cylinder, a piston capable of raising and lowering movements within the cylinder and a protective cover for covering at least a part of the outer circumference side surface of the cylinder, the protective cover having an inner circumference larger than the outer circumference of the cylinder and having one end fixed adjacent to the top end of the piston via a saddle and the other end being open, and a scale on the outer side surface of the cylinder. The amount of the raising and lowering movements of the piston is indicated by the relationship between the open end of the protective cover and the scale. | 05-06-2010 |
| 20100127230 | Puller Device - A puller device comprises a support set disposed on one end of a base for moving the puller device vertically and connected with a cylinder, a hydraulic pump mounted on one end of the cylinder; an adjusting assembly fixed on the action end of the support set for adjustably tilting the pulling assembly and including a fixed member secured proximate to the lower end thereof and pivotally coupled with a movable member attached on the upper end of the adjusting assembly, and first and second fastening parts extendedly arranged on the fixed and movable members respectively for inserting through a micro-adjusting post so as to adjustably move the pulling assembly vertically; a pulling assembly assembled on one end of the adjusting assembly for dissembling the large-size workpiece and including a cylinder disposed on one end thereof for driving a hook set to expand or retract to pull the workpiece. | 05-27-2010 |
| 20100140576 | Warning System For Hydraulic Lifting Apparatus - The disclosed subject matter provides a warning system for overloads in hydraulic jacking and lifting structures, that provides a warning to the user sufficiently prior to an actual overload condition. The overload or potential overload is detected from fluid pressures of the fluid displaced from the pump of the jacking or lifting structures. | 06-10-2010 |
| 20100252791 | JACK ASSEMBLY WITH INTEGRATED PRESSURE RELIEF ASSEMBLY - A jack assembly comprises a cylinder defining an interior, a piston having a piston head slideably engaged with the interior of the cylinder, an extension chamber defined between the piston head and the interior, and a pressure relief assembly integrated proximate the piston head and defining a relief passageway in selective fluid communication with the extension chamber. When a fluid pressure in the extension chamber exceeds a certain level, the pressure relief assembly allows fluid to flow through the relief passageway. In one form, the pressure relief assembly comprises a valve body, a relief passageway defined within the valve body, a valve seat formed along the relief passageway, a plug configured to selectively engage the valve seat, an adjustment member moveable along the relief passageway, and a biasing member captured between the plug and the adjustment member to urge the plug toward the valve seat. | 10-07-2010 |
| 20100264387 | Partition Lifter - A wall partition lifter has a vertically extending support beam, a sleeve that is freely slidable therearound and has a ledge extending transversely outwardly from one side. An engagement protuberance extends transversely outwardly from a second side. The engagement protuberance engages and vertically supports the wall partition and may comprise a series of hooks adapted to engage complementary slots in the wall partition, and/or a foot plate for supporting a bottom surface of the wall partition. The support beam has a base with a lip that extends beyond one side thereof. An extension actuator such as a jack may be positioned on the lip and engage the underside of the ledge such that when the jack is extended, the sleeve extends vertically, elevating the wall partition. A plurality of bores in the support beam provide a locking mechanism together with a cotter pin to prevent the sleeve from descending beyond a desired elevation, even when the jack is retracted and/or removed. | 10-21-2010 |
| 20100270523 | SCISSOR LIFTING PLATFORM - Embodiments of a scissor lifting platform comprising at least two crossing lower scissor bars, at least two crossing upper scissor bars articulatedly connected to the lower scissor bars, and a lower joint connecting the two lower scissor bars with each other and an upper joint connecting the two upper scissor bars with each other. Furthermore, the scissor lifting platform comprises at least one lifting aggregate connected to the lower scissor bar or the upper scissor bar and at least one rail having at least one contact area and being supported on the upper scissor bars. The upper scissor bar is articulatedly connected to the at least one rail and the other one of the upper scissor bars is guided by the at least one rail so as to be movable in a longitudinal direction when the scissor lifting platform moves. The lifting aggregate has at least one operating rod which works together with an elevating mechanism for lifting and reinforcing the vertical force up to a predetermined lifting height of the scissor lifting platform. | 10-28-2010 |
| 20110001103 | ELEVATING MECHANISM FOR MEASURING CONCENTRATIONS OF MEDICINES - An elevating mechanism includes a bottom seat on which is provided with a first support body and a driving motor. An interior of the first support body is defined with an elevating region which is emplaced with a second support body and a gear set to drive the second support body to elevate. A top end of the second support body is provided with a holding element which is extended downward and exposes the first support body. Through a support piece, the holding element allows medicines to enter into a concentration detection device for measurement. | 01-06-2011 |
| 20110024706 | LEVELING JACK FOR VEHICLE - A leveling jack for a vehicle, such as a recreational vehicle, includes a leveling piston and cylinder, a bi-directional, reversible pump, and a reservoir within a common sealed housing that does not require exterior fluid connections. The piston is extended from the housing to contact the ground and effect leveling by operating the pump in one direction, and is retracted into the cylinder by operating the pump in the other direction. Accordingly, the leveling jack is a self-contained unit, and does not require a central hydraulic unit and the necessary hoses between the jack and the central hydraulic unit as needed in the prior art. | 02-03-2011 |
| 20110062401 | ADJUSTABLE HYDRAULIC HORIZONTAL JACK - An adjustable hydraulic horizontal jack including a frame, a hydraulic unit, a jib unit, link rods, and a handle. Here, the structures of the jib and the link rod(s) are improved according to an embodiment. With the improved structures, the jack has rational structures and can act reliably. In addition, under the parameters equivalent to those of conventional hydraulic horizontal jacks, the jack of an embodiment of the present invention can change the height of the lowest position and the load by adjusting the length of the jib and link rods. Therefore, the jack is adapted to jacking up not only a light automobile with a low chassis but also a heavy automobile with a high chassis, thus having a wider scope of application. | 03-17-2011 |
| 20110073822 | HYDRAULIC JACK CAPABLE OF DISPLAYING LOAD AND OVERLOAD WARNING - A hydraulic jack capable of displaying load and overload warning, belonging to the technical field of hydraulic lifting equipment. It comprises: a base, a lifting arm, a pump body, a handle, and a tray, wherein, a signal collection assembly designed to sense the load on the tray is arranged at the end of the lifting arm, and the signal collection assembly is electrically connected to a weighing controller arranged on either the base or the pump body, and the tray is arranged on the signal collection assembly. Since a signal collection assembly designed to sense the load on the tray is arranged at the end of the lifting arm and electrically connected to the weighing controller, the load sensing method by the aid of communication with the oil circuit in the prior art is abandoned and the leakage of hydraulic oil can be avoided; since the signal collection assembly is arranged at the end of the lifting arm, the entire assembly can be easily processed, installed, and maintained. | 03-31-2011 |
| 20110147685 | LIFTING MECHANISM WITH SELF-LOCKING FUNCTION - A lifting mechanism with self-locking function, including an ascending/descending seat, a rocking member pivotally connected with the ascending/descending seat, a guide section and a prestressing section. The rocking member serves to convert a horizontal force provided by a power source into a vertical force to up and down reciprocally move the ascending/descending seat in the direction of Z-axis. The guide section includes guide members, which can be cross roller ways for guiding the ascending/descending seat to ascend/descend. The prestressing section can be adjusted to change the gaps between fixed guide rails and movable guide rails of the cross roller ways. Accordingly, the sliding friction between the fixed guide rails and the movable guide rails can be adjusted to provide auxiliary locking force for locating the ascending/descending seat. | 06-23-2011 |
| 20110147686 | LIFTING DEVICE - The present invention relates to a device ( | 06-23-2011 |
| 20110175044 | Carrying Rack of an Engine - A carrying rack of an engine includes a main hydraulic cylinder to move a swing arm upward and downward, and the swing arm including a seat disposed on a front end thereof, the seat including a support post axially mounted therein, wherein the support post includes a fixed peg axially inserted to a U-shaped receiving member to form a L shape, and the receiving member includes a pillar axially fixed on a bottom end thereof by using a retaining bolt, the support post also includes a rotating holder axially connected to the seat; an auxiliary hydraulic cylinder is axially disposed in an inner side of the swing arm by using its distal end so that a hydraulic lifter axially couples with the rotating holder via a connecting rod, and the swing arm includes a shaft mounted thereon to contact with the connecting rod. | 07-21-2011 |
| 20110240938 | ADJUSTABLE COLUMN SYSTEM AND METHOD - An apparatus includes an outer rectangular tube and an inner rectangular tube. The inner rectangular tube and the outer rectangular tube are movable in relation to each other. In some versions a gas spring is positioned within the outer rectangular tube and the inner rectangular tube. In some versions, the apparatus further comprises a pair of inner bearing blocks operable to change the coefficient of friction between the inner rectangular tube and the outer rectangular tube. In some versions, the apparatus further comprises an outer bearing block assembly operable to change the coefficient of friction between the outer bearing block assembly and the inner rectangular tube. | 10-06-2011 |
| 20110272657 | PORTABLE APPARATUS AND METHOD FOR LIFTING A VEHICLE THAT COMPENSATES FOR LATERAL MOTION OF THE VEHICLE - A lift apparatus for lifting a structure includes a base, a bell crank pivotably coupled to the base, a coupling member for engaging a portion of the structure, pivotably coupled to the bell crank device via at least one lift member, and a longeron assembly having a pivoting apex and configured to pivot about the base. The apparatus also includes a biasing device having a first end pivotably coupled to the bell crank device for applying a force thereto, the bell crank device converting the first force to a second force and applying the second force to the coupling member via the lift member for lifting the structure. A movement of the structure is compensated by rotation of portions of the longeron assembly which repositions the apex, the bell crank, and lift arm to maintain the structure in the lifted position. | 11-10-2011 |
| 20110278523 | WHEELSET PRESS - In a wheelset press for pressing or pulling wheels, brake disks or the like on/off axles (RA) of rail vehicles, two piston/cylinder units are directed toward one another and stationarily arranged on a common straight line, wherein said piston/cylinder units serve for exerting the required pressing power and, if applicable, for displacing the axle in its longitudinal direction to bring about the pressing-on or pulling-off process. Pressure pistons are provided on the piston/cylinder units to transmit the pressing power onto the facing end of the axle. At least one press abutment for supporting a wheel, a brake disk or the like during the pressing process is designed in such a way that it can be transferred into its support position by means of a relative movement of the axle transverse to its longitudinal direction and otherwise situated outside the press area. The at least one press abutment can be fixed in different positions along the axle. Connecting columns that are rigidly arranged between press beams feature abutments that are axially spaced apart from one another for this purpose. To achieve, among other things, a compact structural shape, the abutments on the connecting columns are realized in the form of slideways for directly accommodating the at least one press abutment, wherein said slideways make it possible to transfer the press abutment from a position outside the press area into a non-tilting support position for the pressing-on or pulling-off process. | 11-17-2011 |
| 20110278524 | LIFT ASSEMBLY FOR MANAGING ROD HOLDERS ON FISHING BOATS - The invention is directed to a lift assembly for lowering and elevating rod holders on a fishing boat. The lift assembly includes first and second horizontal positioning beams parallel to one another. Affixed to the positioning beams are a first pivoting assembly and second pivoting assembly. The first pivoting assembly has a stationary vertical beam having a first and second end (attached to both horizontal positioning beams). A first pivoting beam attaches via a first hinge to the first end of the vertical stationary beam, while a second pivoting beam attached to the second end of the vertical stationary beam via a second hinge. The first pivoting assembly includes a second vertical beam that attaches to both distal ends of the first pivoting beam and the second pivoting beam. The lift assembly may include a power train (a hydraulic position) to lower and elevate the first and second pivoting assembly. | 11-17-2011 |
| 20110297906 | HYDRAULIC TENSIONING DEVICE FOR A FLEXIBLE DRIVE MEANS - A hydraulic tensioning device ( | 12-08-2011 |
| 20110315940 | Dual-Purpose Hydraulic Electric Jack - A dual-purpose hydraulic electric jack comprises a hydraulic lifting mechanism ( | 12-29-2011 |
| 20120037864 | VEHICLE LIFTING PLATFORM FOR LIFTING LOADS, PARTICULARLY VEHICLES - The invention relates to a vehicle lifting platform for lifting vehicles, in particular motor vehicles or similar, comprising load receiving means, a drive device which raises and lowers the load receiving means and which can be controlled by a drive control, also comprising an energy accumulator which supplies energy to the drive control and to the drive device. A rapid replacement device is provided on the vehicle lift platform enabling the energy accumulator or energy accumulators to be arranged in an exchangeable manner. | 02-16-2012 |
| 20120043515 | LIFTING DEVICE FOR LIFTING LOADS, PARTICULARLY VEHICLES - The invention relates to a lifting device for lifting loads, in particular vehicles, comprising load receiving means which can be raised and lowered by means of at least one lifting element, and a drive device which is controlled by a drive control. Said lifting device is characterised in that an energy accumulator, which supplies the drive control and the drive device with energy, is provided on the lifting element, the load receiving means or inside a working area of the load receiving means or the lifting element. | 02-23-2012 |
| 20120056142 | Vehicle lift - The present invention is a vehicle lift. In particular, the present invention is directed to a vehicle lift that can be mounted to the rear of a vehicle or used as a stand-alone lift. A preferred embodiment of the lift comprises a vehicle platform mounted to two platform saddles supported by two lifting arms and two support arms. The lifting arms and support arms are pivotally attached to a mount frame at one end and the platform saddles on the other end. A spacer sleeve is attached between the lifting arms and has a lock bar inserted through it. Lift locks are attached to each end of the lock bar and can lock the lift. Two drives are attached to the mount frame at one end and to the spacer sleeve at the other end. When the platform is in a raised position, the drives are extended. | 03-08-2012 |
| 20120091411 | SELF-RETRACTING HYDRAULIC JACK ASSEMBLY - A self-retracting hydraulic jack assembly is provided which includes a leg retraction compression spring carried by the piston rod assembly encased within the hydraulic extension cylinder of the jack. The hydraulic jack has first and second telescoping tubular leg members that are extensible relative to one another in response to the introduction of hydraulic fluid through the piston rod assembly and into the extension cylinder of the jack assembly. A third freely adjustable drop-leg telescopes into the other legs of the jack assembly through a cam actuated pull-pin casting mounted thereto. | 04-19-2012 |
| 20120097908 | LOW FORCE SUBSTRATE LIFT - Apparatus for lifting substrates from substrate supports are provided herein. In some embodiments, a substrate lift may include: a substrate support having a plurality of lift pins movably disposed through the substrate support to selectively raise and lower a substrate; an actuator coupled to the plurality of lift pins to control the position of the plurality of lift pins, wherein the actuator has a first port for receiving air at a first pressure to cause the actuator to extend the plurality of lift pins and a second port for receiving air at a second pressure to cause the actuator to retract the plurality of lift pins; and a pressure regulator coupled to the actuator to reduce the first pressure to a magnitude that is less than that of the second pressure. | 04-26-2012 |
| 20120119174 | DEVICE FOR OPENING A PULL DOOR BY APPLYING A PRESSURE - The present invention relates to a device for opening a door by staving it in, which device can exert a thrust on the vertical surface of the door and stave it in when the device is positioned against the door on the side to which it opens by being pulled, the device comprising an actuator, an intermediate soleplate ( | 05-17-2012 |
| 20120153245 | FURNITURE LIFTING DEVICE - A furniture lifting device ( | 06-21-2012 |
| 20120161091 | SINGLE-USE JACK - A compact, easy to use, single-use jack is provided. The jack includes an expandable volume formed from nested cylinders and a mechanism to fill the volume, under pressure, with a foam. When the foam is released, the volume expands, increasing the height of the jack. The jack may be safely stored and may be actuated to provide force when needed. | 06-28-2012 |
| 20120199801 | LAWNMOWER JACK DEVICE ASSISTED BY AN OUTBOARD MOUNTED CYLINDER - A lifting and/or tilting device is provided for a grass cutting machine, such as a ride-on mower. The device includes a fixed chassis element designed to rest on the ground. A movable chassis element is capable of accommodating at least one wheel of the machine and is movable about an axle supported by the fixed chassis element, between a stowed position, in which the movable chassis element extends essentially in the plane formed by the fixed chassis element, and at least one raised position in which the movable chassis element is separated from the fixed chassis element. The device has a cylinder with a body that is attached permanently to the fixed chassis element and a shaft that is movable relative to the body, attached permanently to the movable chassis element, and mounted in such manner that in the raised position it extends essentially outside of the zone delimited by the fixed and movable chassis elements. | 08-09-2012 |
| 20120211709 | PNEUMATIC MULTI-WEIGHT BALANCING DEVICE - A pneumatic load balancing device having an inflatable reservoir establishing via an amplifier a pressure within a lift chamber that is sufficient to balance the weight of an object being lifted. The reservoir is inflated and deflated by inflation and deflation valves that may be operated from an operator control center proximal an end effector of the device. The valves may be actuated via pushbuttons or in a mutually exclusively fashion via a neutrally biased reciprocating actuator. The device allows loads of different weights to be lifted in a semi-automatic fashion with operator involvement to select the load balancing pressure. The device may have an air release system that closes a blocking valve in the event of release of the object and optionally in the event of a loss of air supply. The pressure within the lift chamber is thereby preserved and can be vented at different rates. | 08-23-2012 |
| 20120217458 | SCISSOR STACK ASSEMBLY - A scissor-stacked assembly and a method of routing a cable thereto is provided. The assembly includes a plurality of inner arms and outer arms that are connected to one another by retaining pins. The retaining pins are located at central portions of the inner and outer arms and retained by a cap and retaining means. The arms create a plurality of pantographs that allow the assembly to move between a collapsed position and a raised position. Also included is a method of routing a cable through the assembly. The method includes the use of wire forms or tie bars to affix a cable or hose to the wire form or tie bar. The hose is wrapped around crosstubes connecting right and left side arms of the assembly and is attached to the wire forms or tie bars by the use of zip ties or hose clamps. | 08-30-2012 |
| 20120223281 | MULTI-PURPOSE JACK - An automobile jack may include a base, a hydraulic cylinder, and a raising arm. The raising arm is driven by a hydraulic cylinder and the bottom of the raising arm is installed on the base, and the top of the raising arm is connected to a top plate. Two parallelly arranged removable frames placed on the upper side of the top plate. The top plate may also have supporting columns to raise the height of the removable frames, and pre-drilled holes for the storage of the supporting columns. By using two supporting columns, the removable frames may be dissembled and sit on the top plate, and may be kept on the top plate when not in use. This reduces the storage space. The removable frames may be also easily installed when it is required to raise the height. This increases the working efficiency and is easy to use. | 09-06-2012 |
| 20120280191 | LIFT ASSIST DEVICE - A lift assist device for assisting a user in lifting an item includes a base having a center portion and a side portion that is angled relative to said center portion, a support shaft extending upward from the center portion of the base, and a support platform rotatably attached at an upper end of the support shaft and rotatable about an axis that is generally parallel to a longitudinal axis of the support shaft. The lift assist device is tiltable between a loading position, where the side portion of the base rests on a floor or support surface and the support shaft is in a tilted orientation, and a lifting position, where the center portion of the base rests on the floor or support surface and the support shaft is in a generally vertical orientation. | 11-08-2012 |
| 20120298940 | RESCUECYLINDER - The present invention relates to a portable rescue cylinder ( | 11-29-2012 |
| 20120298941 | METHOD FOR PRODUCING A TRACK AND TRACK FOR A TRACK LIFTING DEVICE - The invention relates to a method for producing a track ( | 11-29-2012 |
| 20130075679 | DRIVEN GUIDE SYSTEMS FOR LIFTS - An apparatus comprising a pair of telescoping arms pivotally coupled between a base and a platform. Each arm comprises a base portion pivotally coupled to the base to pivot about a base pivot axis, an extension portion slidably coupled to the base portion and pivotally coupled to the platform to pivot about a platform pivot axis, and, a pivot support assembly attached along a side of one arm of the pair facing toward the other arm of the pair. The pivot support assembly is configured to allow longitudinal travel of a pivot anchor with respect to the base portion. A pivot assembly is coupled between the pivot anchors. A drive assembly is connected to controllably move the extension portions inwardly and outwardly with respect to the corresponding base portions, and controllably move the pivot anchors toward and away from the corresponding base pivot axes. | 03-28-2013 |
| 20130119332 | COLLAPSIBLE HOISTING DEVICE FOR USE IN THE CONSTRUCTION OF LARGE METAL CONTAINERS, AND REMOVABLE ACCESSORY APPLICABLE THERETO - A collapsible hoisting device for use in the construction of large metal containers and to a removable accessory applicable thereto. It facilitates construction procedures by reducing project times and costs. The collapsible device includes a column ( | 05-16-2013 |
| 20130146828 | AXIAL ACTUATING DEVICE - An actuating device for exerting a force that causes two components arranged to be rotatable relative to each other about an axis of rotation to be urged axially away from each other comprising a radial support element forming a first hydraulic pressure chamber and a second hydraulic pressure chamber, each of the pressure chambers surrounding the axis of rotation and the first pressure chamber being in fluid connection with the second pressure chamber. The actuating device further comprises a first piston axially supported on the first component for sealing the first pressure chamber in an axially displaceable way and a second piston axially supported on the second component for sealing the second pressure chamber in an axially displaceable way. | 06-13-2013 |
| 20130153842 | LIFTABLE PULLER DEVICE - A liftable puller device includes a holder, a puller assembly located on the holder, a first frame coupled with the holder and a second frame coupled with the puller assembly. The puller assembly is installed on the holder via the first frame and second frame, and includes a plurality of grippers to grip a wheel. The first frame has a first main retaining zone located on the top end thereof, two first sub retaining zones relative to the first main retaining zone and a first auxiliary retaining zone between the first main retaining zone and one first sub retaining zone. By providing the first auxiliary retaining zone, only a small range of movement is needed to complete switch between a two-gripper and a multi-gripper puller device. | 06-20-2013 |
| 20130161581 | FLANGE SEPARATION APPARATUS - A flange separation apparatus includes a hydraulic cylinder and a movable member coupled with the hydraulic cylinder. The hydraulic cylinder includes an open end and a plurality of first spreading portions extended outwards from the open end. The movable member includes a movement portion and a plurality of second spreading portions connecting to the movement portion. The first and second spreading portions are perpendicular to the axis of the hydraulic cylinder and formed respectively varying first thickness and varying second thickness. As the hydraulic cylinder and movable member are parallel with the axis of flanges, operation space can be reduced. Moreover, through the first and second spreading portions, the flanges spaced from each other at different distances can be separated. | 06-27-2013 |
| 20130168623 | DEVICE COMPRISING A CYLINDER, SUCH AS A SPREADER - The present invention relates to a device such as a spreader. This device comprises a cylinder housing, a plunger hydraulically displaceable in the cylinder housing and having thereon a piston rod extending outside the cylinder housing in order to form a cylinder with the cylinder housing, an extension forming a mechanically extendable unit with at least one of the cylinder and the piston rod, and a locking which acts in selectively actuable manner on the unit for mechanically setting a loadable presetting of a length of the device desired for use of the cylinder. | 07-04-2013 |
| 20130168624 | HEIGHT ADJUSTING DEVICE FOR VEHICLE SUSPENSION SEAT - A height adjusting device for a vehicle suspension seat includes: a control valve having an air injection pin and an air discharge pin formed therein; a first push support having one end rotatably coupled to the control valve and pressurizing the air injection pin when rotated in one direction; a second push support having one end rotatably coupled to the control vale, pressurizing the air discharge pin when rotated in one direction, and disposed to correspond to the first push support; a first push rod pressurizing the other end of the first push support so as to rotate the first push support; and a second push rod pressurizing the other end of the second push support so as to rotate the second push support, and disposed to correspond to the first push rod. | 07-04-2013 |
| 20130187107 | Pneumatic Jack - An apparatus comprises a base, a top member, and a bladder. The top member defines a proximal end and a distal end. The proximal end of the top member is pivotally coupled to the base. The bladder, in turn, is disposed between the base and the top member. Arranged in this manner, the apparatus is operative to raise the distal end of the top member away from the base as the bladder is inflated. | 07-25-2013 |
| 20130187108 | Pneumatic Jack - An apparatus comprises a base, a top member, and a bladder. The top member defines a proximal end and a distal end. The proximal end of the top member is pivotally coupled to the base. The bladder, in turn, is disposed between the base and the top member. Arranged in this manner, the apparatus is operative to raise the distal end of the top member away from the base as the bladder is inflated. | 07-25-2013 |
| 20130193392 | Ramp - The invention is directed towards a lifting device for automobiles or other wheeled vehicles. The lifting device comprises a ramp with the ability for the device to raise into the air after the vehicle has driven up the ramp. | 08-01-2013 |
| 20130277632 | Lifting device, particularly for lifting wheels and the like, for wheel balancing and tire moving machines - A lifting device, particularly for lifting wheels of vehicles and the like, for wheel balancing and tire removing machines, comprising a scissor-like frame, which is interposed between at least two flat and mutually parallel elements for their mutual translational motion as a consequence of the action of motor means functionally associated with the scissor-like frame, the lifting device further comprising a cam-type profiled element, which can be engaged functionally with the motor for dynamic and static balancing between the thrust force generated by the motor and the contrast force of the scissor-like frame in addition to the weight of the object to be lifted, which is arranged on one of the two flat and parallel elements, in all the operating positions of the lifting device. | 10-24-2013 |
| 20130292620 | METHOD AND SYSTEM FOR APPLYING FORCE AGAINST A SOLID OBJECT USING A SWELLABLE SOL-GEL DERIVED MATERIAL - Disclosed is a method and system for applying force against a solid object. A sol-gel derived sorbent material is placed against a solid object to be moved under conditions sufficient to contact the swellable sol-gel derived sorbent material with a sorbate and cause the sol-gel derived sorbent material to swell to at least I ½ times its volume in its unswollen slate to cause sol-gel derived sorbent material to expand and to apply force against the solid object. | 11-07-2013 |
| 20130299760 | Aircraft Jack - This two-stage jack apparatus for lifting aircraft comprises: a tripod base having three legs; a base tube; a ring having an orifice therethrough, wherein the ring engaging end of each leg is attached to the ring; a cylinder housing a jack wherein the base tube supports the cylinder and wherein the cylinder extends through the orifice of the ring; a two stage hydraulic extension attached to the jack; and a dual speed hand pump comprising a high volume low pressure pump for quick ram actuation to the jack point and a low volume high pressure pump used to actuate rams with a hydraulic pump. | 11-14-2013 |
| 20130313498 | DEVICE AND SYSTEM FOR LIFTING A MOTOR VEHICLE - A preferred embodiment of a system includes a lifting device for lifting a motor vehicle, a support structure for mounting the lifting device in a pit, and a carriage for supporting the lifting device from the support structure and being movable within the support structure. The system also includes a cover coupled to opposite sides of the carriage so that the cover extends away from the carriage and continuously between the opposite sides of the carriage. | 11-28-2013 |
| 20130334481 | COMPACT PORTABLE LIFTING APPARATUS - A lifting apparatus is provided having an elongated support member and an elongated lift member pivotably coupled together to move between a retracted configuration in which a distal end of the lift member is near a base end of the support member and an expanded configuration in which the distal end of the lift member is remote from the base end of the support member to support a load in an elevated position. A biasing device is coupled between the support member and the lift member to selectively move the lifting apparatus between the retracted configuration and the expanded configuration, a first end of the biasing device pivotably coupled to the base end of the support member and a second end of the biasing device pivotably coupled to the lift member. A base may be pivotably coupled to the support member to engage the ground surface during lifting operations. | 12-19-2013 |
| 20130334482 | THE BOBBYJACK - An apparatus for lifting pipes in a pipe rack for the purpose of inspecting the point of contact with the supporting beam, and to remedy any damage caused by corrosion and wear and tear. | 12-19-2013 |
| 20140021422 | HYDRAULIC FLOAT DOWN VALVE FOR A CAMERA DOLLY OR CAMERA CRANE - A camera dolly or camera crane has an arm pivotably attached to a chassis, and a hydraulic system including a hydraulic cylinder for raising the arm, a hydraulic valve and a valve control. The hydraulic valve has a normal operation mode where opening and closing of the valve is controlled by the valve control. The hydraulic valve is also provided with a float down mode, where the valve remains partially open providing an intentional slight leakage, regardless of operation of the valve control. In float down mode, as soon as the arm reaches its highest point, the arm automatically and instantaneously reverses direction and starts to move back down, in a smooth continuous movement. The hydraulic system may optionally also include a fast down valve, to allow the arm to move down quickly, even when minimally loaded. | 01-23-2014 |
| 20140166954 | COMPACT PORTABLE LIFTING APPARATUS - A lifting apparatus operable to lift an object is provided. The lifting apparatus may include a base having a receiving recess and an actuatable cylinder movable between a collapsed configuration and a fully extended configuration to lift the object during a lifting operation. The actuable cylinder and the base may include, in some embodiments, recesses mounted therein to improve a stroke length to overall length ratio of the lifting apparatus. | 06-19-2014 |
| 20140183430 | JACK FOR DISASTER RELIEF - A jack for disaster relief includes a hydrogen gas supply structure for heating a hydrogen absorbing alloy by means of a heat source and supplying a hydrogen gas absorbed in the hydrogen absorbing alloy, and an operation structure to be extended by a pressure of the hydrogen gas supplied from the hydrogen gas supply structure, to carry out an operation for lifting an object to be jacked up. The operation structure includes an operation base and a jack portion having an operation space sealed therein. The jack portion is configured to be extensible between a standby posture in which a pushup portion is stored and an extension posture in which the pushup portion is protruded upward from the operation base, and the whole operation structure can be held in a flat shape in a state in which the jack portion is retracted into the standby posture. | 07-03-2014 |
| 20140231733 | REMOTE ACTIVATION OF SCISSOR LIFT CYLINDER PROP - A cylinder prop assembly is cooperable with a lift cylinder for a scissor lift and includes a cylinder prop displaceable between a disengaged position, in which the cylinder rod is movable relative to the cylinder housing, and an engaged position in which the cylinder rod is locked from displacement relative to the cylinder housing. An actuation lever is coupled with the cylinder prop and is accessible to displace the cylinder prop between the disengaged position and the engaged position. | 08-21-2014 |
| 20140264215 | SCISSORS LIFT ASSEMBLY FOR JACKING TOWER - A scissors lift assembly includes a top frame, a bottom frame, and a pair of scissors assemblies, each extending between the top frame and the bottom frame to move the top frame relative to the bottom frame. The scissors lift assembly also includes a safety catch mechanism coupled to at least one of the top frame, the bottom frame, and one of the scissors assemblies. | 09-18-2014 |
| 20140264216 | Handle System - A handle system that securely joins a handle to a lifting assembly when the lifting assembly is not in use. The handle detachably joins with a lift portion of the lifting assembly and manipulates the lift portion to operate the lifting assembly. After use, the handle detaches from the lift portion and joins with a handle storage portion. The handle storage portion includes a solid rod that receives the handle and securely fastens to the handle. The outer diameter of the handle storage portion is fractionally smaller than the inner diameter of the handle, thereby creating a snug fit. The handle also includes an aperture that receives a tab or a ring that extend from the handle storage portion to further fasten the handle to the lifting assembly. | 09-18-2014 |
| 20140306169 | THIN JACK DEVICE FOR BRIDGE LIFTING - A thin jack device for bridge lifting is disclosed, comprising a base seat; a lifting unit, movably connected with the base seat; and a displacement sensor, disposed at a side of the base seat. In this manner, an arrangement may be applied when a gap altitude between a bridge girder and a pier is insufficient to reduce a risk possibility of violation of the bridge and pier, and a displacement sensors attached to stroke is used to monitor a raised altitude to reduce a mechanical error to promote safety and thereby sufficiently the current pier structure to save a temporarily used pier or a frame based design and construction, whereby increasing the construction safety and decreasing the construction cost. | 10-16-2014 |
| 20140326937 | HYDRAULIC PUSHING DEVICE - A hydraulic pushing device, including: a hydraulic unit, a rear seat, a front seat, a prying mechanism, an automatic adjustment mechanism, and a zero-torque pushing mechanism. The hydraulic unit and the rear seat are disposed on a platform. The zero-torque pushing mechanism includes two hydraulic cylinders, one end of each of the two hydraulic cylinders is hinged to the rear seat via a third hinge pin, and the other end of each of the two hydraulic cylinders is hinged to the front seat via a second hinge pin. The automatic adjustment mechanism includes a control lever and two locating pieces. One end of the control lever is in a fixed connection to the front seat, and the other end of the control lever is clamped by the two locating pieces. The prying mechanism includes two pawls, a pawl shaft, two prying guides, and two rows of equidistantly-disposed stop pieces. | 11-06-2014 |
| 20150008383 | Jack with Two Masts - A jack for lifting segments of a structure includes a pair of masts, a mast base, a mast cap, a hydraulic ram, a bottom bracket and a shuttle. The masts are identical and upright with a plurality of evenly spaced holes. The mast base supports the mast and the mast cap receives the upper ends of the masts and maintains the masts in a parallel, relationship. The hydraulic ram moves between a retracted position and an extended position with a stroke distance which is significantly less than the mast height. The bottom bracket is removably pinned to the masts and receives and supports the lower end of the hydraulic ram. The shuttle receives the upper end of the hydraulic ram. The bottom bracket and shuttle, when not pinned to the masts, can slide vertically up the masts. The shuttle includes features for connecting to a segment of a structure. | 01-08-2015 |
| 20150028276 | PORTABLE RESCUE TOOL AND METHOD OF USE - A portable, hand-operated rescue tool is provided for rescue and extreme duty operations where an object needs to be cut, crushed, pierced and separated, or lifted. The rescue tool includes a body, a support handle and articulating jaw force members used to impart high forces on an object. The tool includes a manually-operated, pivoting actuation handle connected to a high pressure fluid displacement system to pivotally rotate the jaw force arms in a selected direction or mode of operation to suit the situation. | 01-29-2015 |
| 20150053904 | LOCKING EXTENSION DEVICE - The invention relates to an extension device, lifting device or jack that can be locked in a raised configuration and used to safely support a raised load. An extension device according to the invention comprises a housing having a closed first end and an open second end, a support member inside the housing projecting from the first end thereof, a piston slideably mounted in the housing around the support member, means for extending the piston out of the second end of the housing, means for retracting the piston into the housing, and a locking mechanism for releasably locking the piston to the support member, wherein the locking mechanism comprises one or more locking members mounted on the support member operable to be selectively moved in and out of locking engagement with the piston. | 02-26-2015 |
| 20150102276 | LIFTING SUPPORT FRAME - This invention discloses a lifting support frame, comprising a frame, a fixed seat, a hydraulic cylinder, a guide spindle, a guide plate and a support plate. In the frame the fixed seat is fixedly connected, at both sides of the fixed seat, a hydraulic cylinder is connected, and in the middle of the fixed plate, the guide spindle is connected fixedly. Above the said hydraulic cylinder and guide spindle, a horizontal guide plate is fixedly connected, where a support plate is provided. This invention solves the problem existing in the techniques, and is featured with high efficiency and low cost. | 04-16-2015 |
| 20150137056 | JACK STRUCTURE - A jack structure includes a cylinder, an air chamber piston rod disposed therein, an ejection piston rod disposed around the air chamber piston rod, a position-limiting component on top of the external cylinder, and a fastening component on top of the cylinder. The air chamber piston rod has a top with an air chamber piston, an internal portion with a first air chamber, and a sidewall with a gas passage in communication with the first air chamber. The ejection piston rod has an air chamber sealing cover, position-limiting portion, and ejection hydraulic piston. The air chamber sealing cover, ejection piston rod, air chamber piston rod, and air chamber piston together define a second air chamber communicating with the first air chamber. The ejection hydraulic piston, ejection piston rod, air chamber sealing cover, air chamber piston rod, and cylinder together define a hydraulic chamber communicating with the liquid passage. | 05-21-2015 |
| 20150144854 | JACKING POLE - A jacking pole apparatus is disclosed. A jacking pole may include two tubular members, slidably engaged with one another in such a manner that they may extend or expand. A jacking pole may engage two surfaces or objects and extend therebetween in order to provide support. Further, a jacking pole may vertically displace an object or surface. A jacking pole utilizes locking mechanisms to remain in certain positions and provide continuous support for surface and objects. The locking mechanisms may also be utilized during vertical displacement in order to facilitate such motion. | 05-28-2015 |
| 20150336780 | AUTOMATIC LIFT STAND AND CASE - An automatic lift stand and case. The automatic lift stand and case includes a body having an opening and containing a platform. A latch mechanism is configured to maintain the platform in a lower position within the body. One or more resilient stored force devices are configured to move the platform from the lower position towards the opening of the body when the latch mechanism is released. One or more springs are pivotably coupled to the body and the platform, the length of each spring is substantially parallel to the platform when the platform is in the lower position and pivots to lift the platform as the platform is lifted towards the opening of the body by the one or more resilient stored force devices. Each spring is configured to lift the platform to a higher position when the resilient stored force devices pull the platform towards the opening of the body. | 11-26-2015 |
| 20160052756 | ROTATING SHAFT LIFTING JIG AND ROTATING SHAFT LIFTING METHOD - A rotating shaft lifting jig is inserted between a rotating shaft of a rotary machine and a bearing stand surrounding the outer periphery of at least a lower part of the rotating shaft. The jig for lifting the rotating shaft includes: a pedestal which is supported on an inner peripheral surface of the bearing stand; and a jack part which is disposed between the pedestal and the outer peripheral surface of the rotating shaft and extends/contracts in the radial direction. The radial dimension of the pedestal is smaller than a radial clearance between the rotating shaft and the bearing stand. A rotor receiver having a cylindrical surface conforming to the outer peripheral surface of the rotating shaft is provided between the jack part and the rotating shaft. The rotor receiver is provided with a plurality of support members in directions different from the direction of the jack part. | 02-25-2016 |
| 20160122164 | BOTTLE JACK - The present invention relates to a bottle jack comprising a main body and a shaft that expands or contracts, further comprising:
| 05-05-2016 |
| 20180021603 | HYDRAULIC IMPLEMENT | 01-25-2018 |
| 20100301293 | HOIST LOCKING MECHANISM - A cylinder assembly for supporting a device above a surface, the device including a base, the cylinder assembly including a cylinder, mounted on the base, and extendable perpendicular to the base. The cylinder assembly further includes a foot at the end of the cylinder away from the base, and a locking mechanism for locking the cylinder in its fully extended position, the locking mechanism comprising a track attached to the base, and a track rod connected to and movable along the track, between a cylinder retraced position and a cylinder extended position. The locking mechanism also includes a brace pivotally attached at one end to the track rod, and pivotally attached at another end to the foot, and a fixing mechanism for fixing the track rod in the cylinder extended position. | 12-02-2010 |
| 20120256146 | ADJUSTING DRIVE - An adjusting drive | 10-11-2012 |
| 20150076432 | JACK AND SUPPORT DEVICE - A jacking device for lifting and supporting earthmoving equipment or vehicles, the jacking device including: a base; a jacking leg mounted to the base, the jacking leg for lifting a load to an elevated position; a top plate mounted to the jacking leg, the top plate for engaging the load; and, a support member mounted directly or indirectly to the base, wherein the support member is positionable to engage the top plate and thereby provide additional support to the load in the elevated position. | 03-19-2015 |
| 20150307335 | HAND OPERATED VEHICLE LIFTING APPARATUS - A hand operated vehicle lifting apparatus. The hand operated vehicle lifting apparatus preferably lifts a vehicle by engaging with the wheels of the vehicle. Preferably, the hand operated vehicle lifting apparatus comprises a wheel engagement portion and a hinge for storage. | 10-29-2015 |
| 20160075540 | PORTABLE SELF-LOCKING LIFT SYSTEM - A lift system includes a cylinder having an end surface, a threaded member supported for movement with a piston, and a nut threadedly engaging the threaded member and selectively engageable with the end surface. Engagement of the nut and the end surface limits axial movement of the piston relative to the cylinder in at least one direction. A drive mechanism rotates the nut relative to the threaded member, and a control valve controls movement of the piston relative to the cylinder. A drive control mechanism controls operation of the drive mechanism and rotation of the nut. A nut sensor senses a portion of the nut. The nut sensor is in communication with at least one of the control valve and the drive control mechanism. When the nut sensor detects a portion of the nut, the control valve stops movement of the piston or the drive control mechanism stops rotation of the nut. | 03-17-2016 |
| 20160380519 | SGENX-1000A ROTOR LIFTING DEVICE - A lifting tool for lifting a rotor associated with a generator so as to allow a rotor bearing to be removed from a bearing pedestal beneath the rotor. The tool includes a semi-circular base portion that is bolted to the bearing pedestal and a pair of jack screws mounted to the base portion. A hydraulic ram is mounted to the base portion between the jack screws and is positioned against the rotor when the tool is bolted to the bearing pedestal. The ram is used to lift the rotor away from the bearing and the jack screws are used to hold the rotor up once it is in the desired location, where the ram is then lowered. | 12-29-2016 |
| 20080210917 | Wedge-Formed Lifting Cushion - The invention relates to a lifting cushion ( | 09-04-2008 |
| 20090045383 | Lifting assist device - Disclosed herein is a device for lifting an article comprising a housing having an inner chamber, the housing having a leading edge region in fluid communication with the inner chamber, the leading edge region being arranged to engage an access region between an article and a support surface beneath the article, an elongate tubular member having a first open end region and a second closed end region, the first open end region being directly or indirectly in fluid tight relation with the leading edge region, the elongate tubular member having a first surface in fluid communication with the inner chamber and an opposite second surface, the housing being arranged to provide a retracted position in which the elongate tubular member is held relative to the leading edge region and responsive to an operative pressure within the inner chamber to unfurl beyond the leading edge region to cause the elongate tubular member to migrate along the access region with the second surface in contact with the article and the support surface and with minimal relative motion between the contacting surfaces of the elongate tubular member, the article and the support surface and toward a deployed position in which the tubular member extends a distance exceeding a lateral dimension of the article with opposed ends of the tubular member being available to be employed for lifting the article from the support surface. | 02-19-2009 |
| 20090140222 | Method for operating a merchandise presentation arrangement, as well as a lifting device for a merchandise presentation arrangement in order to carry out said method - A merchandise presentation arrangement ( | 06-04-2009 |
| 20100117039 | Inflatable structure for use in an inflatable lifting device and an inflatable lifting device incorporating two or more such structures - An inflatable structure | 05-13-2010 |
| 20100224845 | Conveyor Belt Lifting Device - A conveyor belt lifting device for use on a belt-type conveyor comprising a conveyor belt supported by a support structure includes an inflatable bag and is operable between a retracted condition in which the inflatable bag is deflated and an operative condition in which the inflatable bag is inflated and its operably upper surface adopts a shape generally to conform to an underside of the conveyor belt. The invention extends to a method for providing access to components of a belt-type conveyor comprising a conveyor belt supported by a support structure. | 09-09-2010 |
| 20100264386 | Pneumatic Apparatus For Use In Lifting And Installing Garbage Disposers - Pneumatic apparatus is disclosed for installing a garbage disposer under a kitchen sink which comprises a base structure and an inflatable, air-tight bellows which is attached to the top of the base structure. The bellows is expandable between a deflated position and an inflated position. Pneumatic apparatus in accordance with the present invention comprises inflation/deflation apparatus which is disposed in the base structure for supplying air to the bellows to permit it to expand to its inflated position and for removing air from the bellows to permit the bellows to contract to its deflated position. A platform is provided which is attached to the top of the bellows for receiving the garbage disposer which is to be installed. | 10-21-2010 |
| 20100327243 | WOVEN STRUCTURE AND PANEL OR CONTAINER COMPRISING SUCH A STRUCTURE - A woven structure includes at least two woven walls ( | 12-30-2010 |
| 20110133143 | Lifting Bag of Web-Like Rubber Material Hot-Vulcanized In A Press and Method For Its Production - The lifting bag comprises an inside inside bladder ( | 06-09-2011 |
| 20120181495 | LIFTING ASSIST DEVICE - Disclosed herein is a device for lifting an article comprising a housing having an inner chamber, the housing having a leading edge region in fluid communication with the inner chamber, the leading edge region being arranged to engage an access region between an article and a support surface beneath the article, an elongate tubular member having a first open end region and a second closed end region, the first open end region being directly or indirectly in fluid tight relation with the leading edge region, the elongate tubular member having a first surface in fluid communication with the inner chamber and an opposite second surface, the housing being arranged to provide a retracted position in which the elongate tubular member is held relative to the leading edge region and responsive to an operative pressure within the inner chamber to unfurl beyond the leading edge region to cause the elongate tubular member to migrate along the access region with the second surface in contact with the article and the support surface and with minimal relative motion between the contacting surfaces of the elongate tubular member, the article and the support surface and toward a deployed position in which the tubular member extends a distance exceeding a lateral dimension of the article with opposed ends of the tubular member being available to be employed for lifting the article from the support surface. | 07-19-2012 |
| 20120248393 | Air Jack - The invention provides a motor vehicle jack for easily lifting a vehicle to change a tire. The motor vehicle jack of the present invention has two substantially circular air bags or chambers, a lower air bag and an upper air bag coupled together by a substantially cylindrical connector. The upper air bag couples to a substantially cylindrical top having a top surface with a steel plate. The lower air bag couples to a substantially cylindrical base. A hose having a first and second end, couples the base to an air pump. The air pump receives power from a cigarette lighter or auxiliary power from the vehicle for inflating the air bags and simultaneously lifting the desired corner of the vehicle. | 10-04-2012 |
| 20120286223 | PNEUMATIC VEHICLE DOOR SPREADER - A pneumatic spreader for increasing the magnitude of a gap between a window or door of a motor vehicle and the vehicle body, to permit a tool to be inserted into and maneuvered through the gap. The spreader may comprise a hand operated squeeze bulb having a gas release valve and two inflatable flexible bladders inflated from the squeeze bulb through a manifolded gas supply conduit. Each bladder may be greater in length and width than in thickness, and may have an internal stiffener to facilitate initially inserting the bladder into the gap without causing the bladder to fold or roll during insertion. | 11-15-2012 |
| 20140077141 | SELF-ASSEMBLING INFLATABLE MODULES - A system includes a plurality of inflation balls configured to be launched and a connection mechanism. The plurality of inflation balls are configured to modularly inflate with respect to one another to create a combined modular volume. The connection mechanism is configured to allow the modular inflation of the plurality of inflation balls with respect to one another. | 03-20-2014 |
| 20140217343 | LIFTING APPARATUS FOR AN AIRCRAFT - The invention relates to a lifting apparatus ( | 08-07-2014 |
| 20160051426 | Apparatus for Lifting a Chair - An apparatus for raising and lowering a payload, particularly a chair and its user to provide assistance with the sit-to-stand task. The apparatus comprises a base, a platform, linkages attached between base and platform to allow only vertical motion therebetween, an inflatable bag also situated between base and platform, and a source of pressurized fluid such as compressed air, whereby the bag is inflated and deflated to raise and lower the platform. The user may use an existing, favorite chair, including a reclining chair, which is placed upon the platform without modification. In a low position, the platform is quite close to the floor, providing comfort during sitting. In a high position, the platform is greatly elevated, to provide a full measure of sit-to-stand assistance. The apparatus is compact, doesn't interfere with reclining or rocking while sitting, and is easily deployable, movable, and storable. | 02-25-2016 |
| 20160159627 | BURIED PIPELINE REPAIR SYSTEM - A damaged portion of a pipeline buried in a trench is gradually lifted from the trench to expose the damaged portion above water and provide easy access to the damaged portion. Inflatable roller bags are placed under the pipeline adjacent the damaged portion; the roller bags are then inflated in a controlled manner using a computer-based control unit. A control manifold is connected to the control unit and each of the roller bags by a separate air conduit allowing controlled bag-inflation and bag-deflation process for each roller bag. Once the pipeline is repaired, the roller bags are deflated, lowering the pipeline back to its original position in the trench. | 06-09-2016 |
| 20090127532 | Multi-Directional Lifting Apparatus - There is disclosed a jack that provides lifting from multiple orientations or directions. The jack is able to provide the lifting from these multiple orientations as fluid is continuously transferred from a reservoir to a pumping chamber to a piston chamber, regardless of the orientation or direction of the jack. | 05-21-2009 |
| 20090134375 | ONE KIND OF FOOT PEDAL HYDRAULIC JACK WITH TWO SPEED PUMP, AND THERE IS A PNEUMATIC SET TO LIFT PISTON QUICKLY ON THE JACK - This invention involves a type of pneumatic non-load quick dual-speed hydraulic jack, of which, the small of piston ring ( | 05-28-2009 |
| 20090173925 | Hydraulic bottle jack with a control valve having a control knob and an automatic return - A hydraulic bottle jack has a housing with an internal control valve having an external shaft that is rotatable in the counter-clockwise direction to open the valve for lowering the jack, and rotatable in the clockwise direction to close the valve for raising the jack. A control knob is mounted on the rotatable shaft for manually rotating the valve. A biasing means in the form of a torsion spring has one end fixed to the housing and the other end fixed to the rotatable shaft for automatically urging the shaft into the clockwise direction for closing the valve. The knob and the torsion spring can be used separately or combined. A kit includes a control knob and torsion spring and uses a method for retrofitting a standard jack to a jack having a control knob with automatic return. A control knob type wrench has an inner side that is engageable with a standard double-key head of the control valve for operating the valve. A tubular handle wrench has a control knob on the proximal end thereof for operating a standard double-key head of the valve. | 07-09-2009 |
| 20090189135 | VEHICLE SUPPORT STAND - A motorcycle support stand includes a base ( | 07-30-2009 |
| 20100078612 | HYDRAULIC JACK FOR LONG-TERM SUPPORT - The present invention discloses a hydraulic jack for long-term support. The hydraulic jack for long-term support includes a base, a housing, an oil cylinder, a piston rod, a top cap, a pump body, a pump core, a handle, a press handle, an oil return valve, a press cap and a slit nut. The slit nut surrounds the piston rod and engages with the piston rod via screw threads. The press cap is disposed on upper ends of the slit nut and the top cap and surrounds the piston rod. The present invention can achieve safe and reliable lifting operation. | 04-01-2010 |
| 20100258775 | Automatic Rising Jack Stand - Jack stands having support arms that automatically rise to meet lifted loads are disclosed herein. According to one embodiment, a jack stand includes a base having a collar, a support arm, a locking mechanism, and a lifting mechanism. The support arm is movable within the collar and has a plurality of teeth defining grooves and ridges. The locking mechanism has a handle and a stopper and is rotatably coupled to the base at an axis of rotation for movement between a first position where the stopper engages at least one of the grooves to restrict the support arm from moving downwardly, and a second position where the support arm is movable upwardly and downwardly. The lifting mechanism is coupled to the base and is in communication with the support arm to automatically raise the support arm relative to the collar when the locking mechanism is moved to the second position. | 10-14-2010 |
| 20110180772 | HAND OPERATED JACKS FOR LIFTING FILE CABINETS - This invention discloses mechanical and hydraulic jacks for lifting heavy fireproof and burglary proof file cabinets with their contents inside for transportation to a truck or other destination. This jack can also lift lateral or regular file cabinets with their contents inside for transportation. It discloses a hook assembly which can be extended over the top of the cabinet remote from the jack with a hook to hold the cabinet from tilting. It discloses a lifting assembly with a lifting plate at the front bottom of the jack for inserting under the bottom corners of the cabinet for lifting. A device for tilting the cabinet away from the jack is disclosed to allow the lifting plate to be inserted under the cabinet. A lifting plate on the front bottom of the jack can be extended under the end of a file cabinet which is secured by the hooking assembly. | 07-28-2011 |
| 20110227014 | HYDRAULIC PUMPLING CYLINDER AND METHOD OF PUMPING HYDRAULIC FLUID - A hydraulic jack includes a frame and a pump connected to the frame. The pump is connected to the frame. The pump includes a rod, a housing, and a piston, with hydraulic fluid being in the housing. The rod has a cross-sectional area and has a longitudinal axis. The housing has an end through which the rod slides. The housing has an interior open cross-sectional area in a direction normal to the longitudinal axis, and the housing has an interior wall. The piston is coupled to the rod. The piston establishes a rod side chamber and a piston side chamber within the housing. The piston has a cross-sectional area, which is smaller than the cross-sectional area of the housing thereby allowing a portion of the hydraulic fluid to flow between said piston and said interior wall to and from the rod side chamber and the piston side chamber when the piston is moved in the housing. | 09-22-2011 |
| 20110253959 | MOBILE JACK WITH LOCKING ASSEMBLY - A mobile jack is provided for a vehicle the where the mobile jack includes a movable base with a plurality of rollers adapted for moving the jack upon a generally horizontal support surface and positioning the jack under a load. The mobile jack may lift loads using a scissor assembly lying in a vertical plane where the scissor assembly connected between the movable base and an upper platform. Additionally, the mobile jack may include at least one hydraulic cylinder for actuating the scissor assembly. The mobile jack may include a safety lock for locking the upper platform in a lifted position where the lock is movable between at least one locked and unlocked position. When the upper platform is in the lifted position, the lock automatically moves to the locked position so that it cooperates with the scissor assembly to prevent the scissor assembly from lowering independent of the cylinders. | 10-20-2011 |
| 20120068134 | HYDRAULIC JACK WITH LOCKING - Hydraulic jack ( | 03-22-2012 |
| 20120112147 | JACK STAND AND COMBINATION & METHOD OF ELEVATING A LOAD - The combination of a jack stand and a vertically oriented, compact hydraulic jack enables a user to avoid misplacement when lifting a load. The stand includes a vertically oriented column moveable between a plurality of different elevated positions. An underside of an overhanging member attached to the column is engaged by a piston member of the jack to elevated the column as the jack is elevated, | 05-10-2012 |
| 20120193593 | Post ram - A post ram is disclosed herein. The post ram includes a socket member that is configured to receive one end of a wooden post. A thumbscrew threadably engages, and penetrates, the socket member for selectively securing the wooden post within the socket member. A bottle jack is affixed atop the socket member. | 08-02-2012 |
| 20130087752 | AIR LIFT JACK WITH JACK LOCKING MECHANISM - A lift jack includes a base assembly, a base support portion extending from the base assembly, air lift cylinder assembly engaging the base support portion, and a jack locking mechanism. The base support portion has at least one mechanical stop. The locking mechanism is securedly connected to the base assembly and has an adjustable extending member for engaging the at least one mechanical stop. | 04-11-2013 |
| 20140061560 | HYDRAULIC JACK WITH LOCKING - Hydraulic jack ( | 03-06-2014 |
| 20140158962 | HYDRAULIC PUMPING CYLINDER AND METHOD OF PUMPING HYDRAULIC FLUID - A hydraulic jack includes a frame and a pump connected to the frame. The pump is connected to the frame. The pump includes a rod, a housing, and a piston, with hydraulic fluid being in the housing. The rod has a cross-sectional area and has a longitudinal axis. The housing has an end through which the rod slides and has an interior wall. The piston is coupled to the rod. The piston establishing a rod side chamber and a piston side chamber within the housing. The piston having a plurality of biased check valves fluidically coupling the rod side chamber with the piston side chamber. | 06-12-2014 |
| 20150115212 | PORTABLE AUTOMOBILE LIFT AND METHODS OF USE - A portable, lightweight hydraulic lift apparatus that includes a lower frame, an upper frame, and multiple legs connecting the upper and lower frames on which the frames can pivot to place the upper frame either flat on the lower frame or positioned above and in parallel with the lower frame. A hydraulic cylinder mounts to the lower frame at the rear of the lift and to the upper frame at the front of the lift so that as the hydraulic cylinder extends, the upper frame may pivot on the legs and rise, lifting a load above the frame. | 04-30-2015 |
| 20160122165 | TROLLEY JACK COMPRISING A HINGED LEVER ASSEMBLY - The present invention relates to a trolley jack comprising a main body and a lifting element capable of moving up or down for lifting a heavy object, and a lever assembly projecting upwards along a longitudinal axis for allowing a user to manually push and move the jack, where a lower end of the lever assembly is connected in an articulated manner to the main body according to a transverse axis of rotation, the lever assembly being capable of being lowered with respect to said transverse axis of rotation and arranged against the main body. Providing a hinged lever assembly increases jack storage and transport possibilities. | 05-05-2016 |
| 20160200557 | VEHICLE LIFTER | 07-14-2016 |
| 20110155980 | COMBINATION SCISSOR LIFT - A motorcycle lift comprising first and second frames that are stackable upon each other is disclosed. The first frame may have a wheel support which may support front and rear wheels of the motorcycle. The first frame is operative to lift the motorcycle to a first height by activation of a first jack. The second frame may be mechanically connected to the first frame and traversed to a second height by further activation of the first jack to support the motorcycle by the frame rails that cradle the engine of the motorcycle and lift the wheels off of the wheel support. | 06-30-2011 |
| 20160039647 | LINEAR MOTION LINKAGE ASSEMBLY FOR AUTOMOTIVE LIFT - An apparatus for lifting vehicles includes a runway, a base, an actuation assembly, a first armature assembly, a second armature assembly, and a third armature assembly. The runway is designed to vertically lift a vehicle from a lowered position to a raised position. The runway is connected to the third armature assembly. In turn, the third armature assembly is connected to the actuation assembly, which is pivotally fixed to the base. The first and second armature assemblies also connect the base with the third armature assembly. The actuation assembly is configured to lift the third armature assembly, which is guided by both the first armature assembly and second armature assembly. In response to the actuation assembly, the third armature assembly then forces the runway from the lowered position to the raised position, thereby lifting the vehicle. | 02-11-2016 |
| 20100224846 | DEVICE FOR ADJUSTING AND MAINTAINING THE HEIGHT OF A SEAT - Device for adjusting a height of a seat, including at least one actuator connected to at least one source of power via at least one control valve having at least one control member for controlling the pressurizing of the actuator and at least one control member for controlling the exhausting of the actuator, the device including a cam associated, on the one hand, with at least one means of driving as a function of a variation in height of the seat, and, on the other hand, with the valve control members, the said cam being configured to have at least one neutral position in which it actuates no control member, and at least two active positions about the said neutral position, these respectively corresponding to a pressurizing of the actuator when the cam has pivoted about the neutral position in a direction corresponding to a reduction in the height of the seat and to an exhausting of the actuator when the cam is pivoted about the neutral position in a direction corresponding to a raising of the height of the seat, the means of driving also being mounted so that they can be disengaged in relation to the cam. | 09-09-2010 |
| 20110095249 | HYDRAULIC CRANE SYSTEM FOR LIFTING A CRANE ON A VEHICLE - A hydraulic crane system for lifting a crane on a vehicle. The system includes a hydraulic motor that is drivingly connected to a hydraulic pump and fluidly connected to a hydraulic line of a vehicle. A crane lifting device is hydraulically actuated by the fluid supplied by the hydraulic pump wherein a remote electronic controller can be utilized to provide a signal in order to depressurize the crane lifting device using an electrically actuated valve. | 04-28-2011 |
| 20120187358 | PEDAL PUMPER TOOL - A tool for pumping the brake pedal of a vehicle does not require a person in the vehicle to pump the brakes. The tool permits a person to bleed the hydraulics when doing a brake job without the need for a second person. The tool, also referred to as a pedal pumper, or a pedal pumping device, may include straps on each end for extending the tool between the steering wheel and the brake pedal. When air is supplied to the tool, the air pressure may cause the tool to extend and depress the brake pedal. When the air pressure is released, the force of the tool is released and the brake pedal is allowed to return to its un-depressed position. | 07-26-2012 |
| 20130001492 | HYDRAULIC CIRCUIT FOR COUNTERWEIGHT ATTACHING/DETACHING DEVICE - A first cutoff valve is disposed in a main duct ranging between a control valve and a bottom chamber of a hydraulic cylinder. A sequence valve in the first cutoff valve is disposed along such a direction as to control outflow of a hydraulic fluid from the bottom chamber and the hydraulic pressure in a rod chamber is applied to the sequence valve as an external pilot pressure. A second cutoff valve is disposed in a main duct ranging between the control valve and the rod chamber of the hydraulic cylinder. A sequence valve in the second cutoff valve, disposed along such a direction as to control outflow of the hydraulic fluid from the rod chamber, and the hydraulic pressure in the rod chamber is applied to the sequence valve as an internal pilot pressure. | 01-03-2013 |
| 20150129821 | SWING-DOWN JACK WITH LOCKS - The present invention provides a swing down jack for mounting to a vehicle to elevate the vehicle. The jack includes a mounting bracket and a leg. The leg includes an outer tube pivotally connected to the bracket along a first pivot axis, and an inner tube telescopically arranged within the outer tube. The jack further includes an actuator pivotally connected to the bracket along a second pivot axis laterally spaced from the first pivot axis so as to swing the outer tube between a generally horizontal and a generally vertical position and extend and retract the inner tube upon respective extension and retraction of the actuator. A detent lock is connected to the bracket and engageable with the outer tube so as to help fix the jack in the vertical position. | 05-14-2015 |
