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Document Title |
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8181725 |
Aircraft tug
An aircraft tug includes a tow bar which extends from a chassis, the tow bar operable to autonomously attach with an aircraft main landing gear assembly and transfer electrical power therebetween.
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8177011 |
Easily removable forecab for a motorcycle
A forecab and additional electrical and mechanical components attachable to a motorcycle for converting a motorcycle between its standard configuration and a three-wheeled vehicle is disclosed. The...
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8056162 |
Patient support apparatus with motorized traction control
A patient support apparatus, such as a hospital bed, comprises a lower frame, an upper frame supported above the lower frame and configured to support a patient, and a support structure coupled to...
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8056657 |
Bicycle rear wheel propelled by trailer mounted power supply and drive train
A bicycle may tow a trailer for the purposes of carrying a heavy or large object across great distances. A motor may be mounted to the trailer which drives a rear wheel of the bicycle. To this end,...
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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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8047320 |
Adjustable power unit mounting attachment for vehicle
A powered cycle vehicle having an adjustable mounting system for a power unit is described. A power unit is attached to a wheel mounting bracket which is affixed to the vehicle frame and carries...
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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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7931108 |
Semi-trailer repositioner
Exemplary apparatus and system for repositioning a semi-trailer are described. The repositoner may comprise two pivoting arms, each comprising a mechanical actuator attached to an underside area of...
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7886854 |
Wheelchair
The present invention provides a wheelchair structure, which is available with a handle, seat and wheel body. The handle is provided with an integrated control seat, and the wheel body is provided...
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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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7735587 |
Hand truck driving apparatus
A hand truck driving apparatus includes a dolly that has a frame having a bottom end, a top end and pair of lateral sides. A plate is attached to the frame adjacent to the bottom end and extends...
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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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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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7571914 |
Push-pull cart collection device and conversion assembly
The present invention is a shopping cart collection device adapted to engage to first and second shopping carts and capable of pulling a first train of shopping carts extending from the first...
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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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7464776 |
Motorized vehicle
A utility vehicle having first and second vehicle modules and a method of operating a utility vehicle. The utility vehicle having a first vehicle module including a first vehicle body, a first...
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7438144 |
Electrically-powered autonomous vehicle
For power purposes, an electrically-powered autonomous vehicle requires a mass and/or a significant volume of batteries, the batteries being supported by an independent chassis (4). The independent...
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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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7275608 |
Motor-driven vehicle with a vehicle frame and a driving device that are interconnected removably
A motor-driven vehicle includes a vehicle frame and a driving device. The vehicle frame includes a main body and a retaining unit. The main body has a first connecting portion and a second...
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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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7254468 |
Multi-network control system for a vehicle
A vehicle is described herein which includes a first communication network, a second communications network and a router which is used to facilitate communication between the first and second...
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7134515 |
Utility transport system
The present invention comprises a utility transport truck having electro-pneumatic controls for coupling and decoupling of devices which are in weight and sensitivity categories that make manual...
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7080842 |
Device for climbing stairs for a wheelchair
A device for climbing stairs for a wheelchair having a chassis (1) having a lifting device (3) and having receivers (17, 18) for the running wheels (16) of the wheelchair on arms running...
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7032694 |
Propulsion sulky
A self-propelled sulky for attachment to existing non-self-propelled equipment,thereby enabling the equipment to be converted into a self-propelled equipment with a modular propulsion system. The...
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7021407 |
Motorized propulsion system for a bed
According to the present disclosure, a propulsion system is provided to assist a caregiver in moving a patient support about a care facility. The propulsion system is detachably coupled to patient...
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7006902 |
Control system and method for an equipment service vehicle
An aircraft rescue fire fighting vehicle comprises a chassis module, a cab module, and a control system. The control system further comprises a plurality of input devices, a plurality of output...
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6983813 |
Remote controlled and motorized baby walker
A baby walker includes motor-driven wheels with the motor being connected to sensors on the walker and to a remote control system. The sensors on the walker prevent the walker from colliding with...
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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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6938711 |
Freestanding self-propelled device for moving objects
A freestanding self-propelled device for moving objects. The device includes a chassis having lower frame portions and upright frame portions. A single motor-driven drive wheel is centrally located...
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6896079 |
Convertible wheelchair and methods for making the same
A method for converting an ordinary wheelchair over to electric. The method employs a small electric scooter and fastener that are easily connected and separated for ease of transport. The result...
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6860347 |
Wheelchair drive unit
An electric drive attachment for a wheelchair comprising a drive housing containing an electric motor, a drive wheel which touches the ground and drives the wheelchair through frictional contact...
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6758291 |
Compact multipurpose trailer tug
A light portable tug including reversible wheels, a direct current motor device for driving the wheels and a drive train between such motor and wheels and including a control device for selectively...
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6729421 |
Motor-assist gurney unit and method
Motor-assisted unit for moving hospital gurneys. The unit includes a gurney, a detachable power unit for propelling the gurney, and a docking unit. The motor-assisted unit is usable with a...
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6725955 |
Powered trailer to propel a two wheeled vehicle
A two wheeled trailer is used to propel a two wheeled vehicle such as a bicycle or a scooter. The trailer is powered by an electric motor and at least one battery. The control of the motor is...
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6698540 |
Motorized snowboard
An apparatus for propelling a user over snow. The invention in one embodiment couples a propulsion unit behind a platform such as a snowboard. The propulsion section and snowboard are...
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6662887 |
Clamping system
A clamping system for releasably clamping a golf trolley, to a power drive unit comprises a clamping unit adapted in use to be permanently secured to the golf trolley and comprising a clamping...
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6547018 |
Transmission for wheelchair
A transmission for a wheelchair capable of selecting a manually operated manner and a motor-driven manner. The transmission includes: a transmission unit installed on the wheelchair for driving the...
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6481514 |
Auxiliary power device of wheelchair
To improve convenience of a wheelchair by enabling an outside fitting type of auxiliary power device to be automatically and securely mounted on and removed from the habituated wheelchair, the...
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6343665 |
Motor-assisted hand-movable cart
A motor-assisted hand-movable cart that can have an identical cart inserted into it in a space-saving manner, whereby the cart is provided with: a drive chassis having two front casters and two...
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6341658 |
Modular vehicle system having variable configurations and its associated method of assembly
A modular vehicle system consisting of a rear propulsion device and a variety of different front-end assemblies that can be attached to the rear propulsion device to create different types of...
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6334497 |
Wheelchair motorizing apparatus
A wheelchair motorizing apparatus which is mounted to a wheelchair frame utilizing a guide. The guide is oriented in a generally upright configuration. A support is movable along the guide for...
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6290014 |
Power assist for bicycles
A package operable to provide power assist to a pedal operated vehicle having a rear wheel, the vehicle movable longitudinally, comprises: a) a carrier b) a ground engaging drive wheel supported by...
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6279927 |
Wheelchair
In a wheelchair which comprises a pair of drive wheels mounted to a body frame and a front caster wheel and a rear caster wheel mounted to the body frame to the front and rear of the drive wheels...
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6276470 |
Power assisted adapter for pull type golf club bag carrying carts
Power assisted pull cart adapter unit is useful for converting a standard golf club bag pull cart into a power assisted golf club bag cart. The adapter unit can include (1) a frame including a...
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6244366 |
Cart transporter
A power operated vehicle, of the type guided by a walking attendant, for conveying a plurality of nestable carts. The vehicle has a main body portion and is supported by a front rotatable caster...
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6209670 |
Clutch for multi-directional transportation device
A clutch for altering the direction of a drive unit of a transportation device between a first direction of travel and a second direction of travel, the drive unit having at least one drive wheel...
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6178575 |
Stretcher mounting unit
A stretch mounting unit includes a unit body detachably mounted on a stretcher, a drive device attached to the unit body for providing an output, a center shaft for receiving the output of the...
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