| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 254098000 | SCREW | 44 |
| 20080197329 | Mechanical Safety Mechanism for Vertical or Oblique Movements by Means of Threaded Bar and Nut Cooperating Therewith - A safety nut ( | 08-21-2008 |
| 20080203367 | ELEVATING DEVICE - In an elevating device for raising and lowering a heavy member by rotating a rotation axis extending in a direction crossing a vertical direction, the rotation axis has one end portion to which the heavy member is connected. The rotation axis includes a bendable portion adapted to transmit a rotational force. A leading end portion of the free end portion is vertically suspended from the bendable portion of the rotation axis regardless of a stop position of the rotation axis. A rotation applied by the heavy member to the rotation axis is suppressed by the suspended leading end portion. With such an elevating device, unexpected rotation of the rotation axis is positively suppressed in a cost-effective manner. | 08-28-2008 |
| 20080237556 | Electronic Device with an Elevating Mechanism - An electronic device with an elevating mechanism includes a body and the elevating mechanism connected with the body. The elevating mechanism includes a support base, an elevating element, and a fastening element. The elevating element capable of moving between a first position and a second position relative to the support base is connected with both the support base and the body. The elevating element includes a first wedging component. The fastening element disposed around the second position relative to the support base is rotatable between a third position and a fourth position. The fastening element includes a second wedging component. When the fastening element is rotated to the fourth position, the second wedging component is wedged on the first wedging component for fastening the elevating element at the second position. | 10-02-2008 |
| 20080308777 | Modular jack apparatus for lifting floors and other structures - An apparatus which is positionable between a structure to be lifted and an underlying support surface for lifting the structure utilizes a bottom plate and a cap between which a spacer member, such as a piece of tubing, is positionable and a threaded rod which is threadably received by an internally-threaded opening in the cap. By rotating the threaded rod within the cap, the threaded rod moves lengthwise relative to the cap. Therefore, by positioning the apparatus between a structure to be lifted and an underlying support surface and then rotating the threaded rod within the cap, the bottom plate and the threaded rod act between the structure to be lifted and the underlying support surface to lift the structure. | 12-18-2008 |
| 20090267035 | Apparatus having a selectively engagable fastener set - A selectively engagable nut made up of plural nut portions which are able to move apart for disengagement with a screw and to move together to reengage. The nut portions are driven by pins extending into slots on the nut portions; the pins mounted in a rotating collar adjacent to the nut. The collar's pins, in a first rotational position holds the nut portions engaged with the screw. In an alternative rotational position, the pins drive and hold the nut portions apart to disengage with the nut portions. When the nut portions are in mutual contact, fingers are positioned on the nut portions in positions preventing the nut portions from moving apart so as to disengage the nut from the screw. | 10-29-2009 |
| 20100123108 | DEVICE FOR TRANSFERRING A LOAD FROM AN OBJECT TO A LOAD-BEARING ELEMENT - A device for transmitting a load from an object to a load-bearing element is provided. The device includes an attachment mechanism for attaching to a load-bearing element, such as a vertical stanchion. A loading mechanism includes a pressure block and a mechanism interconnecting the pressure block and the attachment mechanism. The loading mechanism can apply a preload to an object and transmit a force from the object to the load-bearing element. | 05-20-2010 |
| 20100252789 | BALL SCREW DEVICE - In a ball screw device, a ball screw linear-movement member is screwed with a ball screw rotary member and configured to linearly move in accordance with a relative rotation with the ball screw rotary member. A housing is holding the ball screw rotary member. A motor is disposed in a motor chamber of the housing, and configured to rotate the ball screw rotary member with a rotor coupled to the ball screw rotary member. A stopper is configured to collide with a brake when an amount of a relative linear movement between the ball screw rotary member and the ball screw linear-movement member becomes no less than a prescribed amount. The brake is configured to decelerate rotation of the rotor by the collision of the stopper with respect to the brake. | 10-07-2010 |
| 20100258770 | SYNCHRONOUS MOVING DEVICE AND IMAGE MEASURING APPARATUS - A synchronous moving device includes: a device body; a movable portion which is provided in the device body; a feed screw shaft which is supported on the device body; a nut member which is thread-engaged with the feed screw shaft; a coupler which couples the movable portion and the nut member; and a cable binder which supports and guides a cable wired into the movable portion, wherein: the coupler includes a first member fixed to the movable portion, a second member fixed to the nut member, and an intermediate member interposed between the first and second members for absorbing deflecting motion of the feed screw shaft; and an end portion of the cable binder on a side of wiring of the cable into the movable portion is connected to the second member through a connection member and moved in synchronization with the movable portion. | 10-14-2010 |
| 20110253954 | TRAILER HITCH JACK - A trailer hitch jack is disclosed. The trailer hitch jack may include a jack housing tube, an extender tube, a drop leg tube, and a hitch engagement tube projecting orthogonally from the jack housing tube. The jack housing tube, extender tube, and drop leg tube may be coupled to one another and configured to telescope upon operation of a hand crank. | 10-20-2011 |
| 20120145976 | CASING SECTION LIFT AND TRANSPORT SYSTEM - A machine casing section lift system includes a first attachment member configured to attach to a machine casing section, the first attachment member including a first jacking mechanism connection portion. The system also includes a second attachment member configured to attach to a lower casing section that, in operation, is positioned below the machine casing section, the second attachment member including a second jacking mechanism connection portion. The system also includes a jacking mechanism to raise the machine casing section and having a collar configured to couple with the first jacking mechanism connection portion and a base configured to rest in the second jacking mechanism connection portion. | 06-14-2012 |
| 20120286221 | DRIVE SYSTEM FOR TELESCOPIC LEGS FOR TABLES - A hydraulic drive system readily adapted for either manual actuation or motor-driven actuation due to the unique design of the hydraulic drive and its coupling to either a hand crank or to a motorized drive to provide hydraulic pressure to lift cylinders that can be attached to table legs for vertical adjustment. The hydraulic drive includes a screw jack having an end extending from one end of a housing and splined or otherwise keyed. A manual crank arm or motorized drive assembly includes a coupling which mates with the end of the screw jack to provide a drive force for the hydraulic cylinder drive. The motorized drive assembly includes a pair of toothed hubs and an intermediate flexible sleeve allowing alignment of the motorized drive to the drive assembly as well as providing sound dampening, a cushioned coupling, and facilitates overcurrent detection. | 11-15-2012 |
| 20140048756 | DRIVING DEVICE FOR VENDING MACHINE - A driving device in a vending machine includes a pushing member, a securing member, and a driving assembly. The motor of the driving assembly provides a rotating force which acts on the securing member, and the securing member supports and rotates the helical pushing member, to drive goods out of the vending machine. The style of attachment between the pushing member and the securing member is such that the starting angle of the helical pushing member can be adjusted by unclipping the end of the pushing member with fingertip force from the securing member and reclipping it at a different preferred orientation. The driving device is used for adjusting the appropriate rotation angle of the pushing member. | 02-20-2014 |
| 20140054522 | MOUNTING PLATE AND LIFTING COLUMN INCLUDING A MOUNTING PLATE - A mounting plate for mounting a lifting unit in a lifting column which lifting column includes at least two guide tube segments that are insertable substantially concentrically one-into-another and that are movable with respect to one another along their direction of extension in order to change the length of the lifting column. The mounting plate includes a motor-accommodating structure for a drive motor of the lifting unit and an accommodating structure, different from the motor-accommodating structure, for a support component of the lifting unit that is connectable in a rotationally fixed manner to mounting plate. The support component is disposed on a side of the lifting unit remote from or facing away from the drive motor. Also, a lifting column including the mounting plate. | 02-27-2014 |
| 20160137467 | AUTOMATIC BLACKBOARD RAISING/LOWERING DEVICE - This invention is for automatic move upward and downward device of full framed board for education blackboard or bulletin board, on which educator write as high as he wants by moving it upward or downward to show it well in the distance. | 05-19-2016 |
| 254099000 | Derrick type | 1 |
| 20100283016 | Apparatuses and Methods for an Improved Vehicle Jack Having a Screw Jack Assembly - Various embodiments of a vehicle jack an include an elevation assembly and a guide bracket. The elevation assembly includes a threaded member and an elongated support member, with the elongated support member configured to threadedly engage and rotate relative to the threaded member. The guide assembly includes a guide bracket configured to engage the threaded member such that the threaded member moves with the guide assembly as the guide assembly moves along a path defined by a longitudinal axis of the elongated support member. This movement raises or lowers a vehicle positioned on the jack. Various embodiments address the assembly of a vehicle jack by engaging a threaded member with an elongated support member and a guide bracket. Rotation of the elongated support member about its longitudinal axis causes the threaded member to move the guide bracket along a path defined by the longitudinal axis. | 11-11-2010 |
| 254100000 | Special engaging feature | 17 |
| 20090166596 | Disposer installation tool - A tool is used to elevate and hold a garbage disposer against a sink fixture during removal and/or installation of a garbage disposer. The tool includes a flat base including a notch opening through a corner of a rectilinear base to allow an electric cord to pass around the tool. A flat load supporting platform includes a similar notch. A screw jack force applying mechanism allows the platform to be raised relative to the base. The tool works equally well with the base down or with the platform down so the user doesn't have to turn the tool over for it to work. | 07-02-2009 |
| 20090194750 | Forced puller - A forced puller includes a central seat having a threaded hole centrally defined therein and extending therethrough. The central seat has two opposite sides each having a rod perpendicularly extending therefrom relative to an axis of the threaded hole. Two hook members are respectively slidably mounted to a corresponding one of the two rods. Each hook member is formed with a hook engaged to a workpiece that is purposed to be detached. A main threaded rod is screwed through the threaded hole in the central seat. The main threaded rod has a polygonal head formed on a first end thereof for user to forcefully rotate the main threaded rod and a push portion is formed on a second end of the main threaded rod to securely and longitudinally abut against the workpiece after rotating the main threaded rod. | 08-06-2009 |
| 20090236573 | Clamping apparatus of a puller - A clamping apparatus of a puller includes a first clamping element, two second clamping elements, four pivoting elements and three adjusting rod modules. Each pivoting element is pivotally coupled to both ends of the first clamping element and an end of each second clamping element corresponding to the first clamping element. Another end of each second clamping element has a transverse penetrating hole. One of the adjusting rod modules is passed through a penetrating hole of each second clamping element, and the other two adjusting rod modules are passed through the penetrating hole of each pivoting element, so that the adjusting rod modules are arranged substantially in a triangular shape. The pivoting element is installed between the clamping elements for pivotally turning each adjusting rod module and automatically guiding to the central position and increasing the range between the clamping elements for mounting and installing a bearing easily. | 09-24-2009 |
| 20090267036 | MOVING DEVICE - A support unit for moving an object may include an elongated member, at least one suction device coupled to the elongated member for attaching to an object, a lifting mechanism for raising and lowering the elongated member and an attached object, and a rotating member for moving the support unit and the attached object from a departure location to a destination location. | 10-29-2009 |
| 20100001239 | Motorcycle Jack - The present invention relates to a compact and portable motorcycle jacks comprising a turnbuckle mechanism. The present jack is a new use of an old device, said device being a turnbuckle, and said turnbuckle engaging with ground from one end and with the motorcycle swing bar on the other end. Whereas turning of the turnbuckle will lift the motorcycle. Turnbuckles are simple devices which are portable and can be easily located inside the motorcycle. | 01-07-2010 |
| 20100038607 | APPARATUS FOR NAILING T-NUTS - There is provided an apparatus for nailing t-nut. The apparatus of the invention has a first nailing device. The first nailing device has a push bar; a rotation motion transmission mechanism; a first servo motor for moving the push bar up and down by means of the rotation motion transmission mechanism; a retaining portion to hold a t-nut; an alignment supplier to supply the t-nut to the retaining portion; and a receiving portion to hold a board. The apparatus further has a control device to control the rotation of the servo motor. The t-nut is release by the retaining portion when the push bar moves down. The upper end of the to-nut is pushed by the push bar. The push bar moves down at a speed faster than that of free fall of the t-nut when the retaining portion releases the t-nut, so as to nail the t-nut into the board. | 02-18-2010 |
| 20100155680 | QUICK RISING SUPPORTING DEVICE - A quick rising supporting device includes a bar having a first threaded portion and a second threaded portion on the two sides respectively with a first connecting block and a second connecting block, and an axial portion on top of a supporting arm and a swing arm forming a Y shape bar are respectively axially connected to the first and second connecting blocks. A sliding block is formed on a side of the first connection block. The translatory shift of the bar on the second connecting block motivates the first connecting block to move in same direction when the bar rotates, the first connecting block is led by the first threaded portion to rotate and move forward to achieve the dual displacement speed of the supporting device. When the closed supporting arm and the swing arm bias and swing to open, only biasing and swinging of the supporting arm and the swing arm is required to open the supporting arm and the swing arm by using a low rotate dynamic strength to rotate the bar, thus the elevation angle between the supporting arm and the swing arm can be quickly opened or closed, and the rising operation can be faster and smoother with less time. | 06-24-2010 |
| 20100320429 | MOTORCYCLE LEAN ANGLE JACK - A jack assembly including a base for contacting a support surface and a shaft having a first end coupled to the base and a second end, wherein the shaft includes a power screw disposed therein; and a coupling head pivotally coupled to the second end of the shaft, wherein the coupling head is adapted to be coupled to an object to be lifted. | 12-23-2010 |
| 20110133139 | Puller Tool - A puller tool and method for pulling a component from another component are provided. The puller tool can include a cross bar, a pair of puller legs that are movable along the length of the cross bar and a forcing screw. The puller legs can be quickly positioned anywhere along the length of the cross bar through a quick release mechanism. The cross bar can include notches on its outer surface to ensure that the puller legs are equidistant from each other during use. | 06-09-2011 |
| 20110253956 | Tensioning device for chains - The invention relates to a tensioning device ( | 10-20-2011 |
| 20120193591 | Telescopic Apparatus - A telescopic apparatus includes two tubes, a positioning unit and two contact units. The tubes are telescopically connected to each other. The positioning unit is operable for moving and positioning the tubes relative to each other. Each of the contact units includes a cap secured to a relative one of the tubes and a pad pivotally and elastically connected to the cap. | 08-02-2012 |
| 20130037764 | MANIPULATION TOOL FOR BELLOWS - A manipulation tool for a bellows includes a first arm and a first engaging member extending from the first arm. The first engaging member is configured to be removably engaged with an outer axial surface of a first flange portion of the bellows. The manipulation tool for the bellows further includes a second arm movably positioned with respect to the first arm along a longitudinal axis of the bellows, and a second engaging member extending from the second arm. The second engaging member is configured to be removably engaged with an outer axial surface of a second flange portion of the bellows. | 02-14-2013 |
| 20130087749 | Jack for trailer - A jack includes an outer tube, an inner tube and a lifting device. The outer tube has a positioning member and a driving rod connected thereto. The positioning member is positioned by an object and the driving rod is driven by a crank. The inner tube is located in the outer tube and the lifting device is located on the top of the inner tube so as to lift the outer tube. The positioning member is located on the top of the outer tube and the driving rod is located below the positioning member. The positioning member is positioned by a pivotal device which pivots the positioning member to a desired angle and positions the positioning member. | 04-11-2013 |
| 20130341576 | TREE JACK AND ITS METHOD OF USE - One possible embodiment of the invention could be a tree jack comprising an extension member that connects to a telescopic mechanism; the telescopic mechanism being proximate to a base tube, the telescopic mechanism moves the extension member away from the base tube; the base tube has two tube ends, an open tube end and other tube end, the open tube end continuously connects to a hollow interior that accepts the extension member, the open tube end further supports the telescopic mechanism; a base platform that attaches to the base tube at the other tube end; wherein the extension member is placed into a tree having a list while the base platform supports the tree jack relative to a ground proximate to the tree, the telescopic mechanism forcibly extends the length of the tree jack to reduce the list of the tree. | 12-26-2013 |
| 20140110646 | JACK STAND FOR WIRE SPOOLS - An apparatus and associated method for lifting a workpiece. An upright frame operably supports a lead screw for selective rotation. A carrier threadingly engages the lead screw so that rotation of the lead screw in one rotational direction linearly advances the carrier in a lifting direction and rotation of the lead screw in the opposite rotational direction linearly advances the carrier in a lowering direction. A mechanical power inlet is adapted for receiving an input torque from a user. A mechanical power transmission assembly has a first gear fixed in rotation with the mechanical power inlet and a different second gear fixed in rotation with the lead screw, the first and second gears sized so that the input torque imparted on the first gear is less than an output torque imparted by the second gear to the lead screw. | 04-24-2014 |
| 20150083981 | CONCENTRIC SLAVE CYLINDER REMOVAL TOOL - In at least one implementation, a tool for a transmission piston assembly having a housing mounted to a transmission case includes a base plate, a reaction member, a connection member and an actuator. The reaction member is fixed in place relative to the transmission case and the connection member is adapted to interconnect the base plate to the housing of the piston assembly. The actuator is adapted to engage the reaction bar and displace the base plate relative to the reaction member to displace the housing relative to the transmission case. In at least some implementations, the amount of movement of the piston assembly may be limited to a threshold or less to prevent damage to the transmission. The actuator, base plate and/or reaction member may be constructed and arranged to provide a stop that ensures the threshold amount of movement is not exceeded. | 03-26-2015 |
| 20160200140 | MOTORCYCLE WHEEL RAMP | 07-14-2016 |
| 254102000 | Telescoping screws | 5 |
| 20100219386 | Electro-Mechanical Lifting Device - The invention relates to an electro-mechanical lifting device comprising a lifting head and a controlling and positioning carriage, said lifting head comprising a substantially vertical telescopic cylinder element, comprised of a plurality of outer telescopic jacket elements and a corresponding number of inner telescopic threaded elements, an element for coupling the member to be lifted being provided above the upper jacket element, the upper element of the lower inner threaded element being coupled with said lifting member coupling element, the intermediate threaded element(s) being provided with an outer and an inner threading, while the lower inner threaded element is threaded only on the outer surface, coupling between said jacket elements providing means preventing their rotation each other. | 09-02-2010 |
| 20110049448 | METHOD FOR MAKING THREADED TUBE - The invention includes a method, and a component made according to the method having at least one thread pattern formed thereon from a stamping method. The invention includes a tubular member comprising a body having a wall formed from a wrapped sheet of stock to define an interior wall and an exterior wall, a seam in the wall defining a first and second end of the wrapped sheet of stock, and a thread pattern stamped on one of the interior and exterior wall. The method comprises the steps of forming a blank from sheet of stock having first and second opposing surfaces and at least a first and second edge. A thread pattern is formed onto at least one of the first and second opposing surfaces extending between the first and second edge while in a substantially sheet-like form. Following the formation of the thread pattern, the method includes bending the sheet stock into a tubular member such that the thread pattern on one of the first and second surfaces is substantially aligned about a circumference. | 03-03-2011 |
| 20120132873 | TRAILER LIFTING JACK - A trailer jack having a low profile which will not interfere with opening of a towing vehicle's tailgate. The jack has tubes telescopically contained within each other. A threaded rod has a threaded tube slidingly placed over it. The threaded tube has slots and a pin in the threaded rod slides within the slots for synchronous rotation. This provides even extension and retractions for the telescoping tubes relative to each other. The jack has a low profile that extends above the trailer tongue a minimal amount when the jack is extended. When the jack is retracted, no parts of the jack are raised above the tongue. Thus, the tailgate of the towing vehicle may be operated without hitting any part of the jack. | 05-31-2012 |
| 20120248391 | Telescopic structural support - A telescopic push-pull prop | 10-04-2012 |
| 20130043445 | TELESCOPICALLY LENGHTENING/SHORTENING POWER UNIT - Power unit that can be telescopically lengthened/shortened and performs linear movement which power unit comprises cylindrical parts ( | 02-21-2013 |
| 254103000 | Geared | 7 |
| 20080265224 | Lifting Mechanism for Players - This Utility Model Invention discloses a lifting mechanism for players, including the main body frame and the player installed on the main body frame. The bottom of the said player is fixed on the connection dock, while the connection dock is connected with a worm coupling support. Inside the main body frame is installed the worm shaft, and the worm coupling frame is coupled with the worm shaft. At the bottom of the said main body frame is installed the gearbox base, and in the gearbox base is installed gear cluster and motor. The bottom end of the worm shaft is connected to the motor via the said gear cluster. This utility model features the maximum protection of the player from being damaged as well as keeping integrity and good appearance of the whole product. | 10-30-2008 |
| 20090065749 | Supporting Structure Capable of Vertically Elevating - The present invention relates to a supporting structure capable of vertically elevating, comprises a pair of retracting devices, a base seat and a supporting device; by applying a force to the pair of retracting devices, the elbow joint section disposed at a pivotal connecting location between the top and the bottom rotation sheets is inwardly or outwardly moved, thus the top and the bottom rotation sheets correspondingly close or away from each other, so it can be ensured that the height of the supported objected is vertically adjusted without occupying too much space; and the present invention provides a function of vertically elevating, so problems that a base seat has to be pivotally connected to at the rear portion due to the forward/backward movement of the supported object has overcome and the appearance of the base seat can be styled to enhance the artistic sensation. | 03-12-2009 |
| 20100078608 | Actuator - An actuator comprises a gear arrangement operatively connected to a rotatable input of a linearly extendable actuator device, wherein the gear arrangement comprises a pinion gear and a face gear in meshing engagement with one another. | 04-01-2010 |
| 20100140573 | LIFTING DEVICE - Represented and described is a lifting device having a housing, a lifting spindle that is cylindrical and has an external thread on the outer surface, a threaded bush that surrounds the lifting spindle and has an internal thread that is in engagement with the external thread and a drive unit for the rotating drive of the threaded bush, wherein the lifting spindle is mounted in the housing so as to be displaceable in its axial direction and non-rotatable. The object to provide a lifting device that has as short an installation length as possible in the axial direction of the lifting spindle is achieved in that the lifting spindle is in the form of a hollow cylinder, in that a dome is located in the interior of the lifting spindle and is connected in a non-rotatable manner to the housing and in that the lifting spindle is mounted on the dome so as to be non-rotatable and axially displaceable. | 06-10-2010 |
| 20110101289 | FLOOR TILE PUSHER - A floor tile pusher includes a base, on which a bar is provided for reciprocation and a driving gear is provided for rotation. The bar and the driving gear have teeth to be meshed with each other. An exerting member is connected to an end of the bar, and a handle is connected to the driving member for turning. User may turn the handle to move the exerting member toward or backward. The base has an end bent downward to form a reverse exerting portion, and a support member is provided on the base to be moved between an extended position and a folded position. When the support member is moved to the extended position, a distal end of the support member is even to a distal end of the reverse exerting portion. | 05-05-2011 |
| 20130277628 | AUTOMOTIVE JACK CONVERTER AND COOPERATING CASE - A portable and self-contained prime mover arrangement. A base is positioned on a generally horizontal surface and is so stabilized and so balanced so as to be readily insertable under a vehicle requiring lifting off the generally horizontal surface while remaining in full contact with the generally horizontal surface during positioning under, and lifting or lowering, the vehicle. An electric motor is positioned on the base. A gear box is positioned on the base, and is operatively connected to the electric motor. A coupler is positioned on the base, is operatively connected to the gear box, receives, and thereby motorizes, either a conventional and pre-existing mechanical bottle jack or a conventional and pre-existing scissor jack. A handle is replaceably attached to the base, and readily inserts the portable and self-contained prime mover arrangement under the vehicle or removes the portable and self-contained prime mover arrangement from under the vehicle. | 10-24-2013 |
| 20160145084 | Electric Car Jack - An electric car jack includes a spindle, a second middle gear, an elastic ring, an upper lining, a third middle gear, a lower lining, an adjusting and positioning ring and a positioning screw ring that jointly form a torque limiting mechanism with a torque limitation effect and a positioning plate, a power gear, a brake disc, a disc tray, an output shaft and a latching member that jointly form a powerless brake mechanism with a ratcheted braking effect. Both torque limiting mechanism and powerless brake mechanism are compatibly installed in a reduction gear of the machinery part f the electric car jack to maximize their effects. | 05-26-2016 |
