| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 187240000 | TRANSPORTABLE ELEVATOR | 25 |
| 20090205909 | Omni-directional aircraft galley servicing vehicle - A powered omni-directional aircraft galley servicing vehicle that includes a circular frame and two drive wheels capable of independent powered forward and rearward rotation about a horizontal axis. The drive wheels are adapted to allow the vehicle to spin in place about a vertical axis which intersects the horizontal axis midway between the drive wheels and which is generally centered in the circular frame. A carrousel cabin is mounted to the frame on a lift such that it is capable of elevation to an aircraft galley. A partitioned lazy susan storage compartment rotates on the carrousel cabin to facilitate transfer of aircraft food and drink carts between an aircraft galley and the servicing vehicle. | 08-20-2009 |
| 20110073413 | Lift and hold device - This invention relates to a free standing lifting device which means that no additional support is required to support the lifting action of the device. The lifting device comprises a lift carriage further comprising at least one lift arm joined to a motor by way of a cable, at least one lift channel having a lift opening for receipt of the lift arm, at least one support arm and at least one support channel having a support opening for receipt of the support arm. | 03-31-2011 |
| 20110132693 | Carrying Device for Relocating a Car of an Elevator - A carrying device ( | 06-09-2011 |
| 20110203876 | Narrow Aisle Stacker Crane - A narrow aisle stacker crane is provided, which includes a base unit capable of traveling along aisles in a warehouse and a mast structure that is connected to the base unit. The mast structure may have a height greater than approximately 10 m. A hoisting carriage for an operator, with an attached load carrying platform, is included and is arranged to travel vertically along the mast. The base unit, the hoisting carriage and the load-carrying platform are sized to travel along warehouse aisles of 0.9 m to 1 m in width. The velocity of the base unit in a horizontal direction may be between 1 m/s to 5 m/s. The velocity of the hoisting carriage and load-carrying platform in the vertical direction may be less than 1.5 m/s. Horizontal movement of the base unit and vertical movement of the hoisting carriage and load-carrying platform may take place at the same time, so that fast item placement and retrieval can take place despite relatively low movement speeds. | 08-25-2011 |
| 20110308890 | Portable Raise Climbing System - A portable raise climbing system is provided that comprises a starter box for interfacing with an existing raise climb track, a raise climber that is deployed by the system onto the existing track for normal raise excavation operations, and a transporter. The transporter is configured to carry the raise climber from site to site by interfacing with moving equipment. The moving equipment preferably includes a front hydraulic quick connect/disconnect lift system, e.g. front-end loader, forklift, plough, scooptram, etc. | 12-22-2011 |
| 20120012426 | Portable elevator - A portable elevator for use as a substitute for a ladder is disclosed. The elevator includes a track having a pair of upright, guide rails. A movable platform is slidably secured to the guide rails and is adapted for up and down movement upon the guide rails. A winch is affixed to the bottom of the track for moving the platform upon the guide rails. The winch has an electric motor and a drum that is rotated by the motor. A stationary pulley is secured to the top of the track, and a movable pulley is secured to the top of the movable platform. A cable is wound upon the drum and extends from the drum and around the stationary pulley and the movable pulley. The energization of the motor selectively draws the cable onto the drum to elevate the movable platform upon the track. | 01-19-2012 |
| 20130206514 | WORMGEAR SHAPED DRIVING PART, ELEVATOR USING WORMGEAR SHAPED DRIVING PART AND ELEVATING SYSTEM - An elevator moving along an elevator shaft in a building, comprises a car for transport, a worm driving part moving together with the car, a rotating axis of which is parallel to a moving path of the car, and a worm support part including supporting teeth installed in the elevator shaft along the moving path of the car in accordance with worm teeth of the worm driving part. Using the worm driving part and the worm support part mutually interacting, the elevator can go up and down, and the worm driving part and the worm support part keep low frictional resistance to improve an efficiency of lifting. | 08-15-2013 |
| 20140034424 | LIFT WITH LIFTING MAST COLLISION CONTROL APPARATUS - A lift device includes a lifting mast having a top, and a drive assembly for moving the lifting mast in lifting and lowering directions. A head is positioned above and over the top of the lifting mast, and is mounted to the lifting mast for displacement between a neutral position and a safe position with respect to the lifting mast in response to the head contact encountering an object above the top of the lifting mast and the head. The drive assembly is enabled for moving of the lifting mast in the lifting and lowering directions in the neutral position of the head, the drive assembly is enabled for moving the lifting mast in the lowering direction in the safe position of the head, and the drive assembly is disabled for moving the lifting mast in the lifting direction in the safe position of the head. | 02-06-2014 |
| 20150353281 | STACKER CRANE AND METHOD FOR OPERATING SAME - A stacker crane includes a lower carriage including a lower drive wheel, a lower travel motor, and a support located apart from the lower drive wheel; an upper carriage including an upper drive wheel and an upper travel motor that drives the upper drive wheel; and a mast fixed to the lower carriage, standing upward from the lower carriage and connected to the upper carriage, and including a transfer device capable of moving up and down. A displacement mechanism that raises and lowers the support is provided on the lower carriage between a grounded position supported by a lower rail and a retracted position lifted off the lower rail. The support is lowered to the grounded position when the stacker crane is installed between the lower rail and the upper rail and when the stacker crane is stopped for maintenance, and the support is raised to the retracted position when the stacker crane is operated. | 12-10-2015 |
| 20160075533 | Vertical and Horizontal Movement System - Vertical and horizontal movement system of one or more cabins ( | 03-17-2016 |
| 20160075534 | CONNECTING CARS IN A MULTICAR ELEVATOR SYSTEM - An elevator system includes a first hoistway having a shuttle section and serviced floors; a second hoistway having a shuttle section and serviced floors; a first elevator car; a second elevator car; a coupler physically connecting the first elevator car and the second elevator car during travel in the shuttle section; an upper transfer station for transferring at least one of the first elevator car and the second elevator car from the first hoistway to the second hoistway; a lower transfer station for transferring at least one of the first elevator car and the second elevator car from the second hoistway to the first hoistway. | 03-17-2016 |
| 20160096711 | STACKER CRANE - A stacker crane includes a first covering body covering a sliding section of a mast and an ascending and descending unit, and providing a first space extending vertically along the mast, a second covering body providing a second space extending vertically along the mast and partitioned from the first space by a first barrier, a plurality of exhaust holes that are vertically dispersed in the first barrier and cause the first space and the second space to be in communication, and an exhaust device that is attached to the mast and expels air in the second spaces at a portion in a vertical direction. | 04-07-2016 |
| 187241000 | Nonself-supporting-type (e.g., leaned against building) | 2 |
| 20100032244 | Portable non-motorized automatic lift and transport apparatus for small vehicles - A portable, non-motorized automatic lift and transport apparatus allows users to lift and transport a small, powered vehicle with minimal physical exertion and without the need for secondary power source. The apparatus is comprised of a base and platform connected to a gear housing. The gear housing telescopically engages and moves vertically within a vehicle mount via a gear system. The drive wheels of the small, powered vehicle to be transported power the gear system attached to the gear housing to rotate the gear system and subsequently lift the to-be-transported vehicle using its own power source. A storage position is provided that can be used without disengaging a transmission. | 02-11-2010 |
| 20160081864 | PORTABLE EXTRICATION DEVICE AND METHOD OF USE - A patient transport conveyor for conveying a patient on a liner between a first elevation and a second elevation includes a rail containing conveyor having a first end for placement at the first elevation and a second end for placement at the second elevation. The rail containing conveyor includes first and second spaced generally parallel rail members extending generally between the first and second ends. The first and second rail members define a litter receiving space for receiving the litter and maintaining the litter on the conveyor. A guide member extends generally between the first and second ends. The guide member configured for being engaged with the litter to help maintain the litter in the litter receiving space. A coupler is disposed at the first end and is configured for coupling the transport conveyor to an anchoring at the first elevation for maintaining the position of the transport conveyor. | 03-24-2016 |
| 187242000 | Knockdown or collapsible for transport | 3 |
| 20090294219 | WIND TOWER SERVICE LIFT - An apparatus used for maintaining a wind tower structure wherein the wind tower structure may have a plurality of legs and may be configured to support a wind turbine above the ground in a better position to interface with winds. The lift structure may be configured for carrying objects and have a guide system and drive system for mechanically communicating with a primary cable, rail or other first elongate member attached to the wind tower structure. The drive system and guide system may transmit forces that move the lift relative to the cable and thereby relative to the wind tower structure. A control interface may be included for controlling the amount and direction of the power into the guide system and drive system thereby causing the guide system and drive system to move the lift relative to said first elongate member such that said lift moves relative to said wind tower structure. | 12-03-2009 |
| 187243000 | Wheel supported | 2 |
| 20080196977 | Collapsible Access Tower - A collapsible access tower has a chassis | 08-21-2008 |
| 20100038181 | PORTABLE LIFT - A portable lift is provided, the lift having a base, a lift arm, an elevator movably connecting the lift arm to the lift, and detachable wheels attached to the base. A hydraulic pump is in communication with the elevator, and a power drive is used to power the hydraulic pump. The portable lift may be towed or pulled behind a support vehicle, such as a truck or van. A method of operating the portable lift includes positioning the lift on a surface, detaching the wheels to expose an entry side of the lift to a surface, extending a stabilizer to the surface, conveying a vehicle onto the lift through the side entry, engaging the vehicle with the lift arm, and moving the lift arm with the elevator from a resting position on the base to a service position to provide standing room for a service technician beneath the vehicle. | 02-18-2010 |
| 187244000 | Wheel supported | 8 |
| 20080230321 | PORTABLE FREESTANDING ELEVATOR - A mobile elevator apparatus for transporting people between a ground surface and a raised landing of an adjacent structure includes a base having wheels for rollably supporting the base on a ground surface, a tower frame having a lower end mounted to the base and an upper end above the lower end, the vertical distance between the upper and lower ends defining a frame height. The apparatus includes a track secured to the tower frame and extending generally between the lower and upper ends thereof, and an elevator car coupled to the track and movable therealong between raised and lowered positions. | 09-25-2008 |
| 20090045015 | PROCESS AND FIXTURE FOR INSTALLING, REMOVAL AND SERVICING OF WALL OR CEILING MOUNTED ELECTRONICS AND HARDWARE - A portable apparatus for lifting a television to be mounted on a wall has a base frame assembly with at least three support members, and a connecting member that is connected to a first end of a first support member, and a first end of a second support member and a first end of a third support member are pivotally connected to the base frame support member. A mast assembly having at least two segments is removably connected to the connecting member of the base frame assembly, and a trolley device is removably engaged with the mast assembly, where the trolley is capable of translating along the length of the mast assembly. A electronic device holding assembly that has at least two support arms, and a cross-member to which the support arms are connected, is removably engaged with the trolley, and a driving mechanism causes the trolley to translate along the length of the mast assembly. Thus, a flat screen television can be readily installed on a wall by operating the apparatus of the invention. | 02-19-2009 |
| 20090057066 | STACKER CRANE AND WEIGHT REDUCTION METHOD FOR MAST OF THE STACKER CRANE - A mast includes two support columns each having nonuniform strength in a height direction. Both of upper and lower end portions of the mast have the highest strength, intermediate portions of the mast have the intermediate strength, and shoulder portions of the mast, between the central portion and both of the upper and the lower end portions, have the lowest strength. | 03-05-2009 |
| 20120168255 | Stacker Crane - A stacker crane includes a lower frame having running wheels running along a rail at both front and rear end portions thereof. The lower frame has a connecting frame that connects front and rear wheel support frames for supporting the running wheels to each other. The front support rod is held by a flange at its lower end surface, which is formed at the lower end portion of the front side wheel support frame. The side surface of the front support rod is connected and supported by the front side wheel support frame. The rear support rod is held by a flange, which is formed at the lower end portion of the rear side wheel support frame at its lower end surface and the side surface of the rear support rod is connected and supported by the rear side wheel support frame | 07-05-2012 |
| 20120168256 | Stacker Crane - A stacker crane has an upper frame, which connects upper portions of front and rear support rods standing from both front and rear end portions of a lower frame, respectively, is connected to the front and rear support rods by bolts. The upper frame includes a main part comprising a first plate following along a vertical direction and having front and rear extensions being extended in the front and rear directions of the crane and mast connecting portions being extended downward from both the front and rear ends of the front and rear extensions. The upper frame has a reinforcing part comprising a second plate following along a horizontal direction projecting from the main part in a width direction and being extended in the front and rear directions. The mast connecting portions of the main part are urged against the side surfaces of the front and rear support rods, respectively. | 07-05-2012 |
| 20140305743 | BLADE HANDLING SYSTEM WITH A WHEEL ARRANGEMENT AND A BLADE ELEVATOR SYSTEM - A holding system for holding blades for a wind turbine is provided. The holding system comprises a base frame, a support frame having a first holding section for holding a first blade of the wind turbine and a second holding section for holding a second blade of the wind turbine and a wheel arrangement. The support frame is mounted to the base frame. The wheel arrangement is mounted to the base frame such that the base frame is movable on a base surface such as the ground. | 10-16-2014 |
| 20160052758 | Mobile Vehicle Servicing System - A mobile vehicle servicing system includes a trailer having an elongated bed with peripheral vertical lip, four vertical stanchions disposed about the sides of the bed each of which support four corresponding carriages that are connected to a lift platform and are positionable by four actuators. The system further includes an oil supply and a used oil reservoir. | 02-25-2016 |
| 20160083116 | SUPPLY PLATFORM THAT MOVES ALONG - An accompanying supply platform for a very slowly moving mounting unit of a large good includes an overall drive system, and a device configured to automatically follow the mounting unit so as to avoid contact therewith. | 03-24-2016 |
