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7506725 |
Control structure of ball screw type elevator
The rolling friction force of ball screw is much small than the sliding friction force of it. Using ball screw as the transmission mechanism for elevator, so as to find the differences of friction...
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7461722 |
Elevating transport apparatus
An elevating transport apparatus for elevating and transporting a body to be transported, with an elevating section connecting a transport path and a transport path positioned at different heights....
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7413056 |
Load lifting device
A load lifting device includes a lower structure, an upper structure movable with respect to the lower structure between a lowered position and a raised position, a scissors-like pantograph,...
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7383923 |
Elevating load platforms
An elevating load platform comprising a base member and a load supporting member interconnected by a linkage means that facilitates vertical movement of the load supporting member generally...
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7331425 |
Lift machine
A lift machine comprises a base, a support for supporting a load above the base, a lift actuator operatively connected between the base and the support for raising and lowering the support relative...
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7296660 |
Residential elevator
An elevator for moving a person between two levels. The system includes at least one carriage in a hoist way extending between two floors. A lever arm lifting system moves the carriage. The lever...
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7225898 |
Lift
A lift between lower and upper levels of a house includes a cabin and an essentially horizontal platform which is essentially vertically movable by actuating elements arranged thereunder. The...
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7179040 |
Luggage storage structure for automobile and lifter
A luggage storage structure for an automobile includes: a storage concave portion formed so as to project downward on a floor panel and capable of storing luggage, a plate member for approximately...
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7163087 |
Portable vehicle lift
The disclosed invention is a portable vehicle lift for elevating a motor vehicle. The lift includes spaced apart beams which are positioned under the vehicle, each beam has a plurality of hinged...
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7093691 |
Portable scissor-lift-assembly
A lift assembly includes a first platform provided with a top surface, a pair of opposed sides, and wheels and brackets connected to one of the sides for rotating the assembly. A plurality of...
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6883641 |
Mobile elevator working and load-lifting platform
A ground-movable load-lifting vehicle for lifting a load over ground. The vehicle comprises a platform bed, a ground-movable carriage, and an extendible scissor linkage assembly supporting the...
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6860699 |
Straddle loader
A straddle loader for lifting a load includes an upper frame having a spreader for grasping the load, a compartment for an operator, at least two traveling frames for receiving the load, and a...
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6814188 |
Scissors-type lift table
The invention relates to a scissors-like lifting device having a pair of scissors that are arranged between a carrier or support unit and a base unit. Each pair of scissors is provided with two...
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6779635 |
Mechanism for providing motion and force while maintaining parallelism between a base structure and a movable structure
A mechanism is disclosed that provides motion and force while maintaining parallelism between a base structure and a movable structure. This is accomplished by opposed pairs of pivoting arm...
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6672430 |
Device and method for adjusting a force applied to a movable element
A method for adjusting a first force applied to a movable element in a first position of the movable element by a force applying device, the force applying device applying a second force to the...
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6634462 |
Free link system for precise control
A free link system including a drive assembly mounted along an imaginary longitudinal center line of a rectangular base, the drive assembly including two identical units provided on opposing ends...
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6547509 |
Lifting device with a liftable and tiltable platform
This invention relates to a lifting device for low-weight loads, and may have a lift and tilt arrangement comprising one single lift arm and one single tilt arm. In that case those arms can either...
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6537017 |
Cantilevered, self-adjusting pneumatic pallet positioner
A pallet positioner includes a support frame that consists of a main upright structure with a pair of spaced, parallel outriggers extending horizontally at ground level. The distal ends of the...
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6516478 |
Adjustable height bed
An adjustable height platform comprising a bottom platform, a top platform and a scissors linkage secured between the top and the bottom platforms. The scissors: linkage includes scissors legs...
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6431319 |
Height-adjustable equipment cart with detachable table
A height-adjustable cart is provided and includes an undercarriage having a wheeled frame, a double scissor-type lift mechanism and a support frame which is height-adjustable relative to the...
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6371247 |
Lift assembly
A lift assembly includes first and second elevator structures, each including a first scissors section, a second scissors section pivotally connected to the first scissors section and supporting a...
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6345693 |
Motorcycle lift
A lift for a vehicle comprising a support platform for supporting a vehicle; scissor structure displaceably secured beneath the support platform for lifting the support platform and vehicle; a...
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6257372 |
Scissor lift and method for using the same
A scissor lift that achieves enhanced vertical travel of the deck for a given amount of horizontal travel of the legs. The enhanced vertical travel is achieved by overlapping the deck pivot point...
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6244390 |
Inground lift
A lift for a vehicle comprising a displaceable support device moveable between a first inground position to a second above ground position for supporting the vehicle, scissor mechanism associated...
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6202801 |
Equipment for carrying out operations in an elevator shaft
A maintenance trestle is stowable in folded-together form in the floor of an elevator car and has a platform forming the floor. The platform is steplessly adjustable in height between a stored...
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6119815 |
Safety skirt
A safety skirt is disclosed for an industrial lift apparatus. The lift apparatus has a base, a movable element separate from the base, a connecting assembly joining the movable element to the base,...
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6112858 |
Assembly line fixture
An assembly line fixture includes an elevator having a mounting surface, and a turntable mounted on the mounting surface and rotatable about an axis of rotation with respect to the mounting...
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6070699 |
Hydraulic platform lift, especially for motorcycles
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6021869 |
Lift truck
A lift truck, especially for use in air cargo handling, includes a drive part having at least one driving wheel and a load part guided at the drive part and having at least one roller. Two lifting...
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5993146 |
Apparatus for facilitating unloading and loading of articles on pallets
A tub-like member is recessed below floor surface level in a pit and carries therein an extendable and retractable lifting mechanism. The tub includes a horizontal outwardly extending flange...
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5979606 |
Conveyor elevator
An elevatable conveyor section having a base, a conveying element for supporting articles to be conveyed and scissors-linkage. The scissors-linkage has first ends connected with respect to first...
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5934414 |
Lifting apparatus
A lifting apparatus including a base, a load platform, a vertically expandable actuator linkage mechanically coupled between said load platform and said base, and a glycol operated actuator chamber...
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5829948 |
Multipurpose lift apparatus and method
A lift table modified to permit user configuration to achieve a plurality of functions is provided. The lift table may be configured for any of these functions by the end user, without the use of...
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5730253 |
Robotic shelf handling apparatus
A robotic shelf handling apparatus usable with a power lifting device such as a swingreach or forklift which can be used to remove and replace large capacity conventional storage shelves. The shelf...
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5722513 |
Scissor lift
A scissor lift has a pair of leg assemblies pivotally connected to a base. Relative movement between the legs and the base is opposed by spring assemblies that may be selectively connected to a...
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5678659 |
Order picking truck with an initial lift device
An order picking truck, in particular a high-lift order picking truck, is equipped with a driver's stand (3), a load-picking fork (5) and a wall (11) separating the driver's stand (3) from the load...
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5645141 |
Hoist for roll material surface treatment
A hoist for roll material surface treatment composes of a lift platform means, a securing means, a hoist means and a transmission means. There are two pairs of spaced bars in the hoist means...
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5636711 |
Platform lift for motor vehicle
A lifting platform for motor vehicles has at least one scissor-type framework with at least two lower scissor levers that cross each other and two upper scissor levers that cross each other. Either...
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5580207 |
Device for moving beds
A device for moving beds includes a moveable frame (2); a lifting mechanism (4) which can cooperate with the underframe of a bed (49); and a steering mechanism (5).
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5525019 |
Rear platform lift
A hydraulic rear platform lift for an aircraft loader provides for an increased height by providing a pair of lifting levers actuated by a hydraulic cylinder-piston which extends into cutout space...
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5460460 |
Scissors lift dock leveler
A dock leveler scissors lift system mounted in a pit having back and side walls. The scissors lift mechanism comprises first and second scissors arms mounted on a base frame, one of the arms pinned...
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5454625 |
Ice cart
A portable ice cart provides both elevation adjustment and tilt adjustment for the ice hopper. The ice cart includes a support frame that allows the ice hopper to be tilted to any of a plurality of...
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5429210 |
Adjustable height wagon
An adjustable height wagon capable of being manipulated between an orientation allowing maximum lift and an orientation allowing maximum height. The provision of a lift mechanism below an...
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5397209 |
Workpiece-transport trolley
A device for transporting workpieces to be machined and worked having a base housing or frame which may be moved on wheels and a bed which holds workpieces. The bed is connected with the base frame...
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5394959 |
Scissor lift apparatus for work platforms and the like
A scissors lift apparatus has three scissor units for supporting heavy loads. A central scissor unit has its arms located inwardly of the immediately lower and upper scissor units, and folds into...
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5395209 |
Palletizer
A palletizer comprising a main hoist for raising and lowering a pallet, a feed conveyor for moving a layer of patterned objects on to the pallet, a pallet dispenser including a base, a generally...
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5379655 |
Obstruction sensing guard for vertically moving table
An obstruction sensing guard for use on a vertically-moving lift table for sensing an obstruction and stopping movement of the lift table in response thereto. The guard includes a sensor bar...
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5379855 |
Elevating mechanism
An elevating mechanism includes a frame supported above and in parallel to a base, the base and the frame are stably coupled together by a pair of lazy tong constructions, the pair of lazy tong...
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5299906 |
Self-adjusting pneumatic load elevator
A self-adjusting load elevator has a base, a horizontal load platform, a vertically expandable scissors linkage coupled between the load platform and the base, and an air actuator chamber. The air...
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5297653 |
Pickup truck mounted lift apparatus
A stable lift apparatus for a pickup truck includes a base which is supported on the sidewalls of the cargo compartment. Each of a pair of scissor assemblies has two lifting arms having the front...
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