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8051931 |
Motorized traction device for a patient support
A patient support including a traction device for powered movement of the patient support.
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7997361 |
Reverse drive mechanism for wheeled devices
A reverse drive mechanism is configured to rotate at least one wheel of a multi-wheeled device in a reverse direction so that the device moves in that reverse direction. One particular application...
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7976049 |
Assembly and positioning mechanism for wheelchair and auxiliary operating lever
An assembly and positioning mechanism for wheelchair and auxiliary operating lever. The assembly and positioning mechanism has a swinging angular adjustment seat and a liftable pivoting seat of...
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7900734 |
Rider lift truck
A rider lift truck with a drive portion, in which is arranged a travelling drive featuring at least one electric travelling motor for at least one steered driving wheel, with a steering device for...
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7854280 |
Preassembly unit for the drive of an industrial truck
A preassembly unit for the drive of an industrial truck, with a fifth wheel on which the driving wheel is rotatably mounted around a horizontal axis and which on its part is rotatably mounted in a...
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7828092 |
Motorized traction device for a patient support
A patient support including a traction device for powered movement of the patient support. The traction device includes a storage position and a use position.
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7784572 |
Drive unit for an industrial truck
A drive unit (1) for an industrial truck comprises a drive motor (2), an electronic steering mechanism (3) being arranged at the periphery thereof. In this way, the drive unit (1) is configured...
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7721835 |
Self-propelled wheel for bicycles and similar vehicles
A wheel with a self-contained drive mechanism is provided to propel (or assist in propulsion of) bicycles, tricycles, and similar vehicles. The wheel preferably takes the form of a shock absorbing...
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7694991 |
Motorized scooter wheelchair attachment device
The present invention provides a kit for attaching a manually operated wheelchair to a motorized scooter having a seating apparatus and supporting structure and a floor, comprising: (a) a motorized...
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7686110 |
Garbage can moving system
A garbage can moving system includes an elongated handle having a first end and a second end. A grip is attached to the second end. A bracket assembly is attached to the handle adjacent to the...
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7621356 |
Pallet puller tool
A powered, directionally steerable trailer jack that can be used to elevate and lower a trailer tongue and having a caster wheel assembly affixed to a lower end of the jack. The caster wheel...
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7599774 |
Method and system for adaptively compensating closed-loop front-wheel steering control
An active front-wheel vehicle steering control system that employs closed-loop control includes an adaptive compensation sub-system that compensates for changes in vehicle dynamic parameters. The...
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7591340 |
Steering and driving system for an industrial truck
A steering and driving system (1, 53, 54) for an industrial truck with a driving engine (2), a driving transmission (21), a steering engine (4) and a steering transmission (5, 32, 32′), through t...
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7549502 |
Steering device for steering wheels
A steering apparatus for steering wheels (1) of a vehicle (2) comprises support means (4) arranged for supporting said wheels (1), driving means (27) arranged for rotating said support means (4)...
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7494154 |
Powered maneuverable and retractable trailer jack device
A powered maneuverable and retractable trailer jack adapted for attachment to a tongue of a trailer has an external sleeve, a gear rack on an exterior of the external sleeve, a housing containing...
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7451841 |
Mobile trailer hitching apparatus
A trailer loading or hitching device for moving a trailer between a storage position and attachment of a tongue of the trailer to a tow vehicle, comprising a vertical lifting column selectively...
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7328761 |
Steerable trailer drive assembly
A steerable drive assembly for local movement of a trailer includes an electric motor drive wheel unit having a drive wheel connected to the output shaft of a gear reduction unit. A steering shaft...
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7311161 |
Hospital bed having a drive wheel unit
A hospital bed includes a carrier frame, a driven wheel unit disposed below the frame, a motor unit, a drive wheel unit disposed below the frame and coupled operably to the motor unit in such a...
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7306250 |
Method of attaching a manually operated wheelchair to a motorized scooter
A method of attaching a manually operated wheelchair to a motorized scooter using an angle iron, an adjustable bar that has a left segment, a middle segment, a right segment and a pair of adapters....
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7275907 |
Boat trailer tug
The boat trailer tug includes a primary frame with a mounting beam that is attachable to a boat trailer frame. A primary collar is fixed to the mounting beam front end. A hitch tongue is connected...
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7216728 |
Motorized apparatus for towing a wheelchair
A motorized apparatus for towing a wheelchair includes a framework, a handle assembly, a motor driving assembly and a wheelchair connecting assembly. The framework includes a chassis. The handle...
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7117967 |
Wheel chair apparatus and method
A wheel chair drive apparatus includes a frame having a wheel mount, a battery mount, and a control shaft mount. A drive wheel has a drive motor incorporated within the drive wheel. A battery is in...
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6991050 |
Drive mechanism for trailer
The present invention discloses a drive wheel for placement on the front end of a boat trailer or the like which wheel both drives and steers a trailer into a position where the trailer tong can be...
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6945343 |
Motorized trailer wheel with direct drive and trailer incorporating same
The invention is a motorized trailer wheel mounted to a trailer tongue jack which has a single power source such as 12-volt battery-powered electric motor and gear reducer. The motor drives a...
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6889784 |
Motorized chariot
A vehicle incorporating a power unit having a front portion, a rear portion and a power source. A drive wheel, disposed in the front of the power unit, is connected to the power source. A brake pad...
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6883632 |
Manual-electric wheelchair drive device
An input device (such as a rotational hand crank) receives a constantly-applied motion, and outputs a signal to a controller which, in turn, sends an appropriate signal to an electric motor, which...
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6854555 |
Single wheel driving mechanism
A single-wheel driving mechanism for floor transport vehicles is comprised of a gearing housing with at least one gear stage, a flanged-on drive motor, and a driven running wheel. For obtaining the...
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6779616 |
Motorized directionally steerable trailer tongue jack
A motorized directionally steerable trailer tongue jack having a height adjustment system, a steering system, a drive system, a mounting plate, and a control system. The height adjustment system...
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6766871 |
Attachment means for attaching a wheelchair to a motorized apparatus
A powered propulsion apparatus that is attachable to and detachable from, a wide range of conventional wheelchairs without modification of the propulsion apparatus or the wheelchairs. The...
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6729422 |
Detachable transmission mechanism for a wheel chair and driving device thereof
A detachable transmission mechanism for a wheel chair includes a control unit, two support frames, a suspension frame and a driving device. The channel clamps of the two support frames can be...
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6347677 |
Trailer maneuvering jack with a compact drive wheel
A trailer maneuvering jack comprised of a tongue jack and a compact drive wheel assembly. The tongue jack is comprised of an outer sleeve and an extendable and retractable inner sleeve. The drive...
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6343907 |
Low-lift fork truck
A low-lift fork truck including a driving part which has a driving wheel disposed on the longitudinal axle and is driven by an electric motor, which is supported in a steering bolster adapted to be...
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6170585 |
Trailer driver
A trailer driver for guiding and driving a trailer when the trailer is disconnected from the hitch of a vehicle. The device includes a support frame and a ground engaging wheel rotatably mounted to...
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5651422 |
Universal-fit, quick-connect power drive/steer attachment for wheelchair
A power drive/steer attachment for a wheelchair having a framework supporting a plurality of front and rear wheels and a seat for accommodating an operator, is adapted for use with a motive source...
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5501480 |
Auxiliary frame for a wheelchair and wheelchair for use with an auxiliary frame
An auxiliary frame for a wheelchair, the auxiliary frame having a coupling assembly for coupling the auxiliary frame to the wheelchair, at least one steerable wheel and a drive assembly. The...
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5494126 |
Apparatus and method for attaching a motorized wheel to a wheelchair
An apparatus and method for attaching a motorized wheel to a wheelchair including a mounting frame operatively connected to the motorized wheel, the frame having a laterally-extending cylindrical...
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5479998 |
Electronic powered motor vehicle
A motor vehicle with an on-board propelling power source and operator control functions for steering, increasing and decreasing the vehicles rate of motion. The vehicle includes a chassis with an...
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5465801 |
Motorized wheelbarrow
A motorized wheelbarrow for transporting materials placed therein from one location to another comprising a rigid container having a front portion, a rear portion, a lower portion, an opened upper...
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5385210 |
Tow vehicle system
A tow vehicle system which includes a vehicle chassis, a vehicle drive mechanism and a power actuating mechanism for driving a wheel member in frictional engagement with a base surface. The tow...
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5375673 |
Golf bag card accessory drive unit
An accessory drive unit for attachment to the central support member of a non-motorized golf bag cart having two rear wheels, the accessory drive unit including a front wheel drive unit having a...
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5325934 |
Highly maneuverable trailer driver
A trailer driver for moving and supporting a trailer is disclosed. A frame provides a base for supporting two downwardly facing opposing arms. A fixed bearing extends upwardly from the base and...
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5307889 |
Portable golf cart
A golf cart or other personal utility vehicle includes a wheeled platform, a wheeled gooseneck frame detachably secured at the rear of the platform, and a detachable steering handle for turning a...
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5244051 |
Central steerable driving means of wheelchair
A steerable driving device includes a driving rod rotatably mounted in a sleeve fixed on a bracket detachably secured on a central portion of a wheelchair, a handle secured on a crank arm...
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5207286 |
Steerable wheelchair attachment with powered coupling means
A steerable and self-powered attachment for wheelchairs. This attachment is free-standing and includes a powered coupling means which is adapted for simultaneous attachment while the front of a...
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5183133 |
Motor-driven chair
A motorized wheel assembly is provided in which there is a seat for receiving the occupant attached to a vertical shaft with a single central wheel mounted at the bottom of the shaft for rotation...
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5137103 |
Remote controlled golf bag cart
A remote controlled golf bag cart is described. The cart consists of two rear wheels and a front wheel mounted on a tricycle-type chassis. The rear wheels are coupled to a battery operated electric...
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5135063 |
Power unit for driving manually-operated wheelchair
This invention relates to a power drive unit which is attachable to, and detachable from, a conventional wheelchair. Thus, a conventional manually-powered wheelchair can be converted into a power...
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5125468 |
Electric control for wheelchair drive unit
A battery powered steerable electric drive unit for detachable connection to a conventional wheelchair having a collapsible wheelchair frame comprises: a support releasably connectable to the...
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5113961 |
Tractor and trailer combination air cushioned vehicle
Two wheels of different modes are provided which add guidance capabilities to air cushioned vehicles. A tractor utilizes the wheel of the first mode, a wheel mounted upright upon a hollow tubular...
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5050695 |
Power attachment for wheelchair
A powered unit for adding motive power to a wheelchair comprising a frame adapted for easy attachment to the chair and steerable motive means powered preferably by an electric motor and including a...
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