Class / Patent application number | Description | Number of patent applications / Date published |
182141000 | PLATFORM WITH ELEVATING OR LOWERING MEANS | 62 |
20080223659 | Hydraulic assist for the servicing of on-board fire suppression systems - Methods and apparatus for a lift system for translating equipment mounted on a vehicle between an operational position and a servicing position is provided. The lift system includes a support frame fixedly mounted to the vehicle, a transport member slidably coupled to the support frame, and a lift platform coupled to the transport member wherein the lift platform is configured to support the equipment in the operational position and in the servicing position. | 09-18-2008 |
20080271948 | Motorized climbing hunting stand - A motorized, climbing tree stand ideal for hunting has a rigid elongated, track constructed from multiple, axially aligned sections attached to a tree trunk. A carriage supporting a seat and footrest is coupled to a shuttle assembly that engages the track. The shuttle assembly mounts a battery-powered motor and a motor-driven gear that engages a toothed rack on the elongated track, moving the carriage vertically upwardly or downwardly in response to motor operation. A hand switch controls a reversing relay to control motor direction. Each track section comprises a rigid, elongated flange with an elongated, tubular sleeve terminating in a reduced diameter coupling tube that coaxially mates with the base of the sleeve in the neighboring section. Alignment rods near the upper ends of each sleeve reinforce the assembly. Adjustable, L-brackets contact the tree for bracing. Track flanges are slidably constrained between suitable rollers secured to shuttle side walls. | 11-06-2008 |
20090057057 | LADDER ACCESSORY - A device is provided for aiding a user in transporting a load up and down a ladder assembly. The ladder assembly includes a fly ladder having slidably connected to a base ladder. Each ladder includes first and second spaced rails interconnected by a plurality of spaced rungs. The device has a frame assembly including a first subframe positionable adjacent the first rail of the base ladder and a second subframe positionable adjacent the second rail of the base ladder. First and second base ladder guides are operatively connected to each subframe and define tracks for receiving the rails of the base ladder therebetween. First and second fly ladder guides are operatively connected to the subframes and defines tracks for receiving the rails of the fly ladder therebetween. | 03-05-2009 |
20090101438 | Selectively Liftable Platform Mechanism, and Method for Erecting a Shooting House - A method for erecting a platform is provided. The method includes providing a selectively liftable platform mechanism wherein the platform mechanism generally includes a platform, a trailer, and a support structure on the trailer. The support structure includes a ladder having a distal end pivotally connected to the platform, and a proximal end pivotally and slidably connected to the trailer. The proximal end of the ladder is movable along the longitudinal axis of the trailer in order to level the platform in a raised position. The support structure further includes at least one support bar having a proximal end pivotally connected to a first end of the trailer, and a distal end pivotally connected to the platform. The platform mechanism further includes a stop member to limit longitudinal movement of the proximal end of the ladder towards a second end of the trailer, and an erection assembly. The method next includes using the erection assembly to rotate the at least one support bar and the ladder so as to raise the platform from a lowered position adjacent the trailer, to a raised position. The method also includes sliding the proximal end of the ladder towards the second end of the trailer to engage the stop member, thereby limiting further longitudinal movement of the proximal end of the ladder towards the second end of the trailer, and thereby leveling the platform in its raised position. | 04-23-2009 |
20090188754 | COLLAPSIBLE STEPSTOOL - A collapsible stepstool for storing underneath a cabinet and extending from there under when in use includes a platform member for supporting a user. A top frame member supports such platform member. A bottom frame member supports at least one of such platform member, such top frame member, and a combination thereof. A mechanism for facilitating vertical movement of such platform member is attached to at least one of such top frame member, such bottom frame member, such platform member, and a combination thereof for selectively raising and lowering at least one of such platform member, such top frame member, and a combination thereof. At least one mechanism is disposed on such bottom frame member for facilitating horizontal movement of such collapsible stepstool such that such collapsible stepstool may be extended from underneath such cabinet for use and may be returned to a position underneath such cabinet for storage. | 07-30-2009 |
20090294215 | ADAPTERS FOR AERIAL WORK PLATFORMS - An aerial work platform apparatus includes a platform adapted to be attached to one end of a boom or a lifting system and a frame coupled to the platform. The frame has a plurality of vertical and horizontal rails, and a plurality of adapters, each adapter being integrally attached to one of the vertical and horizontal rails and receives and secures a tube to the rail. Each adapter includes a sleeve for receiving the tube, at least one fastener for securing the tube to the sleeve, and a connecting unit for integrally connecting the sleeve to the frame. | 12-03-2009 |
20090301814 | SAFETY SYSTEM AND METHOD FOR OBJECTS MOVED BY A DRIVING CABLING SYSTEM - A safety system and method for objects moved by a driving cabling system. Offers a redundant back-up system that activates when the main cable system fails. The safety system has various embodiments and may be utilized with camera movement systems configured to move the camera throughout two or three-dimensional space | 12-10-2009 |
20100012430 | Leveling system for portable work platforms - The claimed work platform system, alternatively dubbed by the inventor as “Miniscaffold”, provides a compact, versatile, and portable method of supporting workers engaged in various elevated construction or maintenance activities. The claimed work platform rides upon a number of locking floor casters. Each floor caster is mounted to a removable, telescoping support which may be readily relocated inward to accommodate access through narrow aisles or outward to enhance the platform's stability. | 01-21-2010 |
20100089701 | Load displacement apparatus - A load displacement apparatus to displace a mobile platform along a structure includes a worm screw mounted on the platform for rotation about its axis that meshes with a plurality of support blocs mounted on the structure. The support blocs are spaced apart from one another along the structure to be successively engaged by the worm screw. Each support bloc includes a plurality of bearing balls freely movably supported and retained therein to selectively and movably engage the worm screw over at least an arc segment thereof such that the worm screw is always in meshing engagement with at least one of the support blocs. The invention also refers to a scaffolding system incorporating the apparatus. | 04-15-2010 |
20100147626 | Passenger cage for elevators - The invention relates to a lift cage, in particular a lift cage for persons, for navigating towers, cranes, wind energy plants, pillars of wind energy plants or the like, with a floor | 06-17-2010 |
20100294594 | Mast Lift and Mast Lift System - A lift system is coupled between a work platform and a mast on a mast lift. The lift system includes an overload clutch that slips upon an overload on the lift system, an overrun brake that prevents the lift system from running beyond a fully lowered position and that prevents the lift system from running if the platform is hung up, and an emergency brake. The lift system is safe and lightweight and is effective for controlling a position of the work platform on the mast. | 11-25-2010 |
20100307869 | UNIVERSAL PLATFORM DEVICE AND METHOD - A universal platform device includes a support member and at least one base member having a first surface configured to be positioned on a primary surface. The base member can be pivotably coupled to the support member, and includes a plurality of gaseous cells at least toward the first surface and flexible regions at least between the respective gaseous cells. The weight of the object or person being supported on platform device deforms the flexible material and the gaseous cells. Upon deformation of the flexible regions and gaseous cells, the shape of the mating portion substantially conforms to the shape of the primary surface. The gaseous cells at the mating portion expand to form numerous suction cups and the base member clasps on to the primary surface. | 12-09-2010 |
20110011678 | Ladder stabilisation and safety system - Expandable load bearing device for use on a ladder and comprising an outer member ( | 01-20-2011 |
20110088975 | Mechanical Platform for Champions - A Mechanical platform for champions disclosed. The mechanical device raises the winners rotationally enabling the audience to see the champions at a proportional speed such that the first one rises faster than the second one and the second one rises faster than the third one. | 04-21-2011 |
20110120801 | ACCESS SYSTEM, A METHOD OF ASSEMBLY, A SUPPORT ELEMENT, A GUIDING ELEMENT AND AN EXTRUDED PROFILE FOR THE SYSTEM - An admission system, particularly for containers, with a raiseable platform. The system includes towers of carryable profiles with at least one longitudinal recess adapted for interference by at least one steering element. Each profile has an end portion adapted for interference with other carryable profiles. The profiles have the same cross-section and can be joined. Interlocking elements are placed between the profiles for joining. A toothed rack extends along the longitudinal direction of the profiles. A guiding element for connection with a working platform is connected to the at least one steering element and includes a pinion meshing with the toothed rack and a transmission for driving the pinion. Support elements are provided for attaching the profiles to a structure or other profiles. The invention also includes a method for assembly of such a system, a profile, a guiding element and support elements for such a system. | 05-26-2011 |
20110162911 | ELEVATED PLATFORM AND METHOD OF ELEVATING THE SAME - An elevated platform is provided. The elevated platform includes a platform, a central support structure, and an inflatable bladder structure. The inflatable bladder structure is coupled to and partially encases the central support structure. The inflatable bladder structure is also coupled to the platform so that the platform is moved in a first direction as the inflatable bladder structure is inflated and the platform is moved in a second direction opposite the first direction as the inflatable bladder structure is deflated. | 07-07-2011 |
20110226552 | ADAPTERS FOR AERIAL WORK PLATFORMS - An aerial work platform apparatus includes a platform adapted to be attached to one end of a boom or a lifting system and a frame coupled to the platform. The frame has a plurality of vertical and horizontal rails, and a plurality of adapters, each adapter being integrally attached to one of the vertical and horizontal rails and receives and secures a tube to the rail. Each adapter includes a sleeve for receiving the tube, at least one fastener for securing the tube to the sleeve, and a connecting unit for integrally connecting the sleeve to the frame. | 09-22-2011 |
20110259669 | ELEVATING PLATFORM ASSEMBLY - An elevating platform assembly ( | 10-27-2011 |
20110303487 | FLEXIBLE CABLE HAVING A DUAL LAYER JACKET - A flexible multi-conductor cable and a method of manufacturing a flexible multi-conductor cable, wherein the cable is adapted for use, particularly, in a mechanical cable track type lifting device. The cable includes two or more insulated conductors surrounded by a dual layer jacket. The dual layer jacket includes an inner layer having a TPE material with a higher tensile modulus, and an outer layer having a TPE material with a lower tensile modulus. The material of the cable is selected so that the cable is capable of surviving the external physical requirements of a mechanical cable track, as well as to prevent the transfer of the wiping effect onto the conductors. | 12-15-2011 |
20120000727 | Safe Ascend Bosun's Chair - A bracing system for providing seated stability to workers requiring a means of elevation in order to access the exteriors of buildings of several stories height. The present invention suspends a bosun's chair by means of a sturdy frame erected by means of two “legs” connected together to form an A-frame shape. Each leg is assembled using multiple pole sections fitted together by ferrules. A summit support rod, fitted to where the legs come together at the summit, leans against the building. | 01-05-2012 |
20120006621 | MOVABLE MODULAR SCAFFOLD SYSTEM FOR BUILDING WORKS AND METHOD TO FORM IT - A platform scaffold system for building work, which typically is self-moving as a sole integrally body without needing disassembling and re-assembly its sub-systems, whereby the working times are shortened, pieces and components thereof do not go lost, and the maximal flexibility and safety will be reached. The platform is extensible in width and/or length and adjustable, in length, its support comprises two sub-systems (S | 01-12-2012 |
20120018253 | POWER LIFT SYSTEM - A power lift system is disclosed for use in association with scaffolding type systems. The system is designed to be erected in close proximity to a building wall or other support structure and is used to lift substantial loads to a desired elevation. The lift system has particular application for use in association with construction and/or the repair of a structure where a crane or elevator is not suitable or available. The power lift system comprises at least one vertical lift combination that comprises an upright member and an associated carrier, the upright member has a rack portion on an exterior surface thereof that extends in the length of the upright member, the carrier is mounted on and moveable in the length of the upright member with the carrier sleeving the upright member, an open slot is provided in the carrier opposite the rack portion and this slot extends the length of the carrier, the vertical lift combination includes a self breaking motor drive and gear train mounted on the carrier and including a drive port in the carrier on a surface of the carrier opposite the open slot with a gear of a gear train extending through the port and engaging the rack portion, the carrier above and below the motor drive includes the means for releasably receiving load arms and these load arms are designed to support a work surface outwardly of the carrier. The power lift system preferably includes at least two vertical lift combinations spaced apart from one another and maintained in a parallel manner. A common work deck can be supported between the two vertical lift combinations. | 01-26-2012 |
20120085592 | SYSTEM FOR IN-SITU MAKING SUBSTANTIALLY VERTICAL BUILDING WORKS - Scaffold systems (SMV) to make substantially vertical building works, with sensitive time and manpower savings. In an advantageous embodiment, a scaffold is formed by a couple of modular semi-scaffolds which face each other, a semi-scaffold being placed in a cis-position over the work under erection and the other semi-scaffold is set in the trans-position. | 04-12-2012 |
20120325584 | MECHANIC'S LEANING DEVICE - A mechanic's leaning device includes a base, an upper torso support having an adjustable first height above the base, and a combination step and knee support having an adjustable second height above the base which is less than and adjustable relative to the first height. The mechanic's leaning device can be used by mechanics of all sizes for working on a wide variety of vehicles, ranging from very small to very large. | 12-27-2012 |
20130161128 | MAST LIFT USING MULTI-STAGE MAST MODULE - A multi-stage mast module is cooperable with a mast lift. The mast lift includes a base supporting the multi-stage mast module and a platform coupled with the multi-stage mast module. The multi-stage mast module includes a mast unit including a plurality of telescoping mast sections, and a multi-stage drive connected between the telescoping mast sections of the mast unit. Gas springs are connected between the telescoping mast sections of the mast unit. The gas springs act between the adjacent ones of the telescoping mast sections | 06-27-2013 |
20130206509 | EMERGENCY ESCAPE DEVICE - An emergency escape device includes an escape hole cap fitted from above to an escape hole of a fire evacuation area of a high-rise building so as to cover an inner edge of the escape hole, a guide unit vertically installed to extend above and below the escape hole cap, a descending unit positioned below the escape hole cap and slidably attached to the guide unit in such a manner as to descend along the guide unit, a slowing unit configured to ensure that the descending unit descends along the guide unit at a reduced speed, and a returning unit for returning the descending unit descended along the guide unit to an original position. The emergency escape device may further include a locking unit for keeping the descending unit against downward movement in an upper portion of the guide unit. | 08-15-2013 |
20130228397 | WIND TOWER MAINTENANCE PLATFORMS AND TECHNIQUES - Provided herein are wind turbine tower assembly and maintenance systems and schemes. In particular, wind tower maintenance platforms are provided in order to allow service personnel to perform assembly and maintenance tasks on wind turbine towers. Some platforms disclosed herein adjust to the outer diameter of the tower, which varies tuned to the general conical shape of the tower. Other platforms provide a platform shape that allows the platform to encircle both the tower and wholly or partially encircle the turbine blade to allow personnel easy access to the blade. Other variations disclosed herein provide powerful climbing mechanisms to allow the turbine service platform to externally climb the tower carrying service personnel, parts, or even turbine blades. Gripping or braking mechanisms are provided to secure the service platform to the tower. A system is provided for lowering or raising turbine blades to and from the hub without requiring a crane. | 09-05-2013 |
20130306406 | BRAKE MODULE AND LIFT HAVING THE SAME - A lift includes a mast and a brake module. The mast is for disposing on a working surface and has at least one track. The brake module is connected to a lift module mounted on the mast and includes at least one friction member and at least one forcing member. The friction member has a pressing portion and an axle oppositely arranged. The pressing portion is substantially shaped to engage the track. The forcing member is rotatably disposed on the axle for pivoting axially between a first position and a second position. At the first position, the pressing portion can be moved along the track and stopped by the lift module. At the second position, the forcing member displaces the friction member to force the pressing portion tightly against the track. Thus, the brake module is held in position relative to the mast. | 11-21-2013 |
20140332317 | MAST LIFT WITH SCREW DRIVE AND GAS STRUT - A mast lift includes a base and a telescoping mast coupled with the base and extending upward from the base. The telescoping mast has a support section fixed to the base and a movable section movably connected and displaceable relative to the support section between a retracted position and an extended position. A top cap is secured to the movable section, and a platform is supported by the top cap and the movable section. A gas strut acts between the support section and the movable section and biases the movable section toward the extended position. A threaded driving rod is connected between the top cap and the base and extends through a fixed nut assembly. | 11-13-2014 |
20150008072 | VARIABLE HEIGHT SUPPORT - A variable height support with a platform and a base supporting the platform and reconfigurable to selectively change a height of a support surface on the platform relative to a subjacent surface. A control assembly is operable to selectively: a) maintain the support surface at a selected height; and b) release the platform to allow the base to be reconfigured to change the height of the support surface. The control assembly has a ratchet subassembly that, with the control assembly in a first state, allows the base to be reconfigured by exerting a continuous upward force upon the platform that causes the platform to elevate and be blocked within a range at a plurality of different vertical locations against downward movement. The control assembly further has an actuator that is repositionable to change the control assembly into a second state wherein the platform can be lowered over the range. | 01-08-2015 |
20160009422 | Autonomous Flexible Manufacturing System for Building a Fuselage | 01-14-2016 |
20160108616 | HIGH-RISE ARCHITECTURAL STRUCTURE AND MAINTENANCE METHOD THEREFOR - To ensure maintenance operations for an architectural structure using a mast climber without any limitation on the stability of a mast and locations where a mast can be erected. | 04-21-2016 |
20160161046 | AERIAL DEVICE WITH QUICK-COUPLING IMPLEMENT - A quick coupling implement for an aerial device has a base, a boom assembly, the implement, and an adapter. The adapter is emplaced on a portion of the boom assembly to allow for quickly coupling the implement. The adapter comprises a boom-raise-interfacing segment with at least one opening for securing to the boom raise of the boom assembly via a retaining pin. The adapter also comprises an implement-interfacing segment that presents a complementary shape to an adapter-receptor segment of the implement. The implement may be a utility platform for supporting a utility worker. | 06-09-2016 |
20160177584 | Scaffold | 06-23-2016 |
20160193538 | Performance Stage Lift Systems | 07-07-2016 |
20170234747 | ELECTRICAL CIRCUIT, LOAD CELL, LOAD DETECTION DEVICE AND VEHICLE COMPRISING A LOAD DETECTION DEVICE | 08-17-2017 |
182142000 | Suspended | 19 |
20080217104 | WILDLIFE OBSERVATION BLIND - A wildlife observation blind suspended from an overhead structure comprising a chair adapted for suspension from a support frame, a lift system coupled to the support frame for elevating the chair to a desired height, and a stabilization system coupled to the support frame to resist movement of the chair relative to the overhead structure. | 09-11-2008 |
20080257644 | Climbing Cylinder of Self-Climbing Formwork - A climbing cylinder ( | 10-23-2008 |
20080296089 | PLATFORM LIFT APPARATUS FOR ATTIC STORAGE SPACE - A platform lift apparatus enables the safe movement of objects to and from an attic storage space. The platform lift apparatus includes a frame, a drive mechanism, and a platform. The frame includes internal and external mounting surfaces. The drive mechanism is substantially disposed within the frame and is coupled to the internal mounting surfaces. The drive mechanism includes a plurality of rotatable, parallel shafts with each shaft further including at least one lift drum having an associated lift tether at least partially wound thereon and having an end hanging therefrom. The platform is coupled to each lift tether end and is thereby suspended from the frame. The platform is selectively movable by operation of the drive mechanism within in a vertical dimension between raised and lowered positions. The drive mechanism further comprises an electric motor operatively coupled to the plurality of parallel shafts. | 12-04-2008 |
20090211844 | METHOD AND APPARATUS FOR REACHING FROM OUTSIDE AN UPPER LEVEL OF A TALL STRUCTURE - An embodiment of the invention is directed to a system having a pulley attached to a building. A length of cable is installed around the pulley. The cable is of sufficient length so as to reach, when deployed outside of the building, below the pulley to where emergency personnel gather in an area next to a base of the building (when responding to a disaster situation in the building). A winch around which the cable is to be operatively installed is located in the area next to the base. | 08-27-2009 |
20090218167 | Executive escape system from high rise and process for making same - The present invention relates to an escape system from a high rise building. More specifically, but without limitation, the present invention relates to a process for developing a concept, design, and manufacturing method for the high rise escape system. The escape system offers high rise dwellers the ability to escape from emergencies caused by fire or other unexpected accidents that result in disabled elevators and blocked stairways. It also provides peace of mind for the persons whose office or residence is 50-100 stories above the ground. According to emporium.com, the world's 100 largest cities have more than 70,000 high rise (12 stories or higher) buildings. This furniture-like device, when it is needed, allows up to 2 persons to escape from a high rise. The system breaks window glass and allows the aluminum cage component containing the escapees to descend to the ground safely. | 09-03-2009 |
20090321185 | BRIDGE MODULE - A bridge module has a floor and two upright side sections, which are hinged to lengthwise edges of the floor. Each hinge is formed by two extrusion pieces that can be pushed into each other, and is made so that the side sections can only be folded towards the floor in a direction towards each other. Each side section is made of one extrusion piece, in which a section of the extrusion piece forms a section of the hinges. The edges of the floor are formed by girders, between which there is a plastic plate. The girders are each formed of one extrusion piece, which forms the other section of the hinges. | 12-31-2009 |
20100018802 | MULTI-POINT SUSPENDED SCAFFOLD - A multi-point suspended scaffold utilizes a pair of spaced scaffold frames, each of which is provided with suspension cables which support the scaffold from outrigger beams of a building. The two scaffold frames are connected to each other by wire mesh trusses. These wire mesh trusses incorporate guard rails, toeboards, and an object retaining mesh. Upper and lower cross braces are also secured between adjacent ones of the scaffold frames. The cooperation of the wire mesh trusses, the cross bracing and the use of secured footboards provides a suspended scaffold that is structurally rigid while being easily assembled and disassembled. | 01-28-2010 |
20110042167 | ESCAPE DEVICES FOR HIGH-RISE BUILDINGS - An escape device for high-rise buildings includes an escape capsule, a speedup gear mounted to the escape capsule, a track provided with a rack with which the speedup gear is engaged so that the escape capsule can move along the track, and a damper including a rotor. The speedup gear in operation drives the rotor into rotation and the damper is capable of converting a portion of kinetic energy of the escape capsule to the electric energy. The escape device can be braked at any position at a building. | 02-24-2011 |
20110073411 | COLLAPSIBLE MAN-LIFT FOR USE IN WIND TURBINE TOWERS - A collapsible man-lift for use in the hollow tower portion of a wind turbine includes a support frame assembly, a foldable floor assembly and a collapsible cage assembly. The support frame assembly includes a sub-assembly built in a triangular shape. The foldable floor assembly and the collapsible cage assembly are connected to the triangular sub-assembly portion of the support frame assembly. | 03-31-2011 |
20110079468 | METHOD AND APPARATUS FOR REACHING FROM OUTSIDE AN UPPER LEVEL OF A TALL STRUCTURE - An embodiment of the invention is directed to a system having a pulley attached to a building. A closed loop of cable is installed around the pulley. The loop is of sufficient length so as to reach, when deployed outside of the building, below the pulley to where emergency personnel gather in an area next to a base of the building (when responding to a disaster situation in the building). A winch around which the loop is to be operatively installed is located in the area next to the base. Other embodiments are also described and claimed. | 04-07-2011 |
20110303488 | Platform for Wind Turbine - The invention relates to an aerial platform for a wind turbine with a tower and rotor blades arranged on the tower, which aerial platform comprises: a vehicle; at least a first pair of cables and a second pair of cables, which are each attached with one end to the vehicle and can be attached with the other end close to the upper side of the tower of the wind turbine; a lift cradle which is guided by at least a first pair of cables; and hoisting means for hoisting the lift cradle with the second pair of cables along the first pair of cables. The invention further comprises a lift cradle for an aerial platform according to the invention. | 12-15-2011 |
20120043162 | TENDON CONTROLLED MOBILE PLATFORM - The present invention discloses a tendon controlled mobile platform configured to move within a work space defined by a structure. The tendon controlled mobile platform of the present invention, which includes: a mobile platform including a main frame, a plurality of upper winches coupled to an upper part of the main frame, and a plurality of lower winches coupled to a lower part of the main framed, the mobile platform being placed with the work space; a plurality of first wires having respective one ends coupled to lower sides of the structure and respective the other ends coupled to the upper winches, the lengths of the first wires being adjustable; and a plurality of second wires having respective one ends coupled to upper sides of the structure and respective the other ends coupled to the lower winches, the lengths of the second wires being adjustable, can expand the movement range of the mobile platform, thereby expanding the work area, and can easily move the work equipment to an adjacent work area. | 02-23-2012 |
20120168252 | SUSPENDED ACCESS CHAIR WITH RESCUE SYSTEM - A suspended access chair with a rescue system that may be utilized to access a wind turbine blade while mounted on a tower for purposes such as inspection, maintenance, cleaning, and repair of the blade is provided. The suspended access chair generally includes a chair frame assembly. Upper frame and lower frame assembly rollers are secured to the chair frame assembly and are configured for rolling contact along an edge of the blade. The suspended access chair further includes primary dextral and primary sinistral gripping arms. The gripping arms may be adjusted to conform to the shape of the blade and include rollers configured for rolling contact along a portion of the blade. A hoist is provided to raise and lower the chair along a suspension rope. The rescue system is used to lower the suspended access chair from an elevated position to the ground during emergency situations. | 07-05-2012 |
20130161129 | ALTERNATING CURRENT SUSPENSION HOIST SYSTEM WITH CONVERTER, REGULATOR, AND INVERTER - A suspension work platform hoist system powered by an input power source for raising a work platform on a rope. The system includes a hoist having a motor that drives a traction mechanism designed to cooperate with the rope, and a reactive power reducing input power system in electrical communication with the motor and the constant frequency input power source. The reactive power reducing input power system includes an AC-DC converter and a regulator system, wherein the regulator system is in electrical communication with a DC-AC inverter that is in electrical communication with the motor. The system may include an isolation system to electrically isolate the DC-AC inverter from the motor when the DC-AC inverter is not transmitting power to the motor. The system may accept multiple alternating current voltage sources including both single phase and three phase sources. | 06-27-2013 |
20150101887 | Climbing cylinder of self-climbing formwork - A self-climbing formwork has a stationary climbing shoe ( | 04-16-2015 |
20150136525 | METHOD AND APPARATUS FOR REACHING FROM OUTSIDE AN UPPER LEVEL OF A TALL STRUCTURE - An embodiment of the invention is directed to a system having a pulley attached to a building. A length of cable is installed around the pulley. The cable is of sufficient length so as to reach, when deployed outside of the building, below the pulley to where emergency personnel gather in an area next to a base of the building (when responding to a disaster situation in the building). A winch around which the cable is to be operatively installed is located in the area next to the base. | 05-21-2015 |
20190145110 | HEIGHT ACCESSIBLE WORKING PLATFORM WITH HORIZONTALLY DISPLACEABLE CRADLE | 05-16-2019 |
182145000 | Separate (i.e., nonwork) support for suspension means | 2 |
20090194368 | PORTABLE ROOF ANCHOR - A portable anchor for supporting a line along a side of a structure, having a beam member comprising a line support end and a counterweight end distal to the line support end, a counterweight attachable to the beam member at a counterweight location proximate the counterweight end, a support member that supports the beam member at a pivot location arranged between the line support end and the counterweight end, a line stand-off rotatably mounted to the support member and rotatable from a line deployed position and a storage position where the line stand-off guides the line away from the side of the structure in the deployed position; and an adjustable locking device that allows rotation of the support member, and selectably fixes the support member to the beam member at a selected angle. | 08-06-2009 |
20120267196 | HYRAULIC ELEVATING PLATFORM ASSEMBLY - An elevating platform assembly is provided. In accordance with one exemplary embodiment a platform is present and is moveable along a travel distance of a mast. A cylinder is provided and is capable of being actuated. The cylinder is used to move the platform along the travel distance. | 10-25-2012 |
182148000 | Operating means on platform | 7 |
20100051386 | Surgeon lift system - A surgeon lift comprising a base, wheels attached to the base, each wheel comprising a locking mechanism, a cylinder supported on the base, a platform operatively connected to the cylinder, a lifting mechanism for adjusting the height of the platform relative to a horizontal surface, a connector for operative attachment of the surgeon lift to a surgical table, the surgical table comprising an assembly comprising a power source for receiving the connector, and one or more controllers for automatically controlling the position of the lift relative to the surgical table in the x, y, and z dimensions. | 03-04-2010 |
20100133043 | Work Platform - A platform for an aerial lift enables unobstructed access to a work area adjacent the platform. The platform includes a floor structure with front and rear sides and ends, and a safety rail disposed along at least the front side. The safety rail includes an entry gate. A lift gate is pivotably attached to the safety rail and pivotable between a closed position and an open position. The lift gate includes a gate rail extending along the rear side of the floor structure and a pair of lift rails connected between the gate rail and the safety rail. The gate rail is pivotable relative to the lift rails between an extended position and a retracted position. In this manner, the lift gate can be raised without the gate rail impacting the work surface. | 06-03-2010 |
20110180349 | ORDER PICKER - This order picker ( | 07-28-2011 |
20110198154 | Vertically Adjustable Automatic Step Stool - A step stool includes an inner frame, an outer frame, an actuator, and a coupler. The inner frame includes two inner pillars, and the outer frame includes two outer pillars attached to a platform near opposite ends of the platform and configured to receive the two inner pillars. The actuator is coupled to one of the two inner pillars and one of the two outer pillars, and is operable to raise the outer frame relative to the inner frame. The coupler couples the two outer pillars to each other to evenly lift the opposite ends of the platform when the actuator raises the outer frame. | 08-18-2011 |
20130075196 | STORAGE AND RETRIEVAL APPARATUS - A storage and retrieval apparatus for storing loads in and for retrieving loads from storage locations on a rack, in particular a high-bay rack, has a displaceable base body which has a support structure on which a vertically displaceable load-carrying is mounted. The storage and retrieval apparatus also has a personnel platform which is mounted on the base body. The invention, the personnel platform is vertically displaceable independently of the load-carrying. | 03-28-2013 |
20150008073 | Aerial Lift with Safety Device and Alarm - A safety device for an aerial lift having a basket with controls which permit an operator standing in the basket to manoeuvre the basket. The safety device comprises an alarm, a switch activation device proximate to the controls and two solenoid operated relays, one connected with a normally-closed manually operable emergency switch means which is operable to cut electrical supply and prevent further movement of the basket, and one connected with a foot operable safety switch, which must be held closed by an operator to activate the controls. Each relay is held in a closed condition (switch on) unless caused to change to an open condition (switch off) to cut electrical supply. The relays are controlled by a programmable control box connected to the switch activation device, foot switch and alarm. The control box causes the alarm to operate in accordance with the condition of the foot operable safety switch. | 01-08-2015 |
20150291404 | WALKWAY WITH HYDRAULIC LIFTING FOR AREAS SUBJECT TO FLOODING - A walkway with hydraulic lifting for areas subject to flooding comprising: a base ( | 10-15-2015 |