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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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7905304 |
Automatic guided vehicle drive device
An automatic guided vehicle drive device includes a top plate member, a drive unit, a holding plate member and a turning shaft mechanism. The drive unit has left and right wheel axles attached to...
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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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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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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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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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7617890 |
Steering mechanism for self-propelled mower
A steering mechanism for a wheel of a self-propelled vehicle includes a wheel spindle on which the wheel is rotatably mounted, a steering motor turning a steering tube defining a generally vertical...
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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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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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7338061 |
Stabilized vehicle using articulating joint
The present invention provides a critical breakthrough in wheeled vehicle concepts, by enabling stable vehicle operations, where wheelbase configuration varies in relation to the need for roll...
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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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7198122 |
Device for transporting a stroller
A device for transporting strollers includes a base member having a plurality of compartments, a plurality of wheels for supporting the base member wherein two such wheels are mounted adjacent the...
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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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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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6419565 |
Rotary floor finisher for use with a power rider trailer
A rotary floor finisher for use with a power rider trailer for the sanding and screening of large wood floor areas. The floor finisher and sander to attached in substantially rigid relationship to...
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6260646 |
Power-assisted pallet truck
A pallet truck for manually transporting loaded pallets is provided with a momentary locomotion means that assists an operator in starting a load moving from a state of rest. The locomotion...
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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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6145611 |
Computerizable robotic automated bogie
A computerizable robotic automated bogie is provided including a drive motor and a main drive shaft extending downwardly from the drive motor. A rotatable plate is rotatably coupled to a bottom of...
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6089604 |
Wheeled chassis
A wheeled chassis including at least one traction bar pivotable about a horizontal axis between a substantially vertical position and a substantially horizontal, towing position, and two spaced...
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5937959 |
Conveyance apparatus
A conveyance apparatus, and more particularly, an improvement of a transfer aid mechanism which allows a patient to be transferred from a bed to a wheelchair, for example, is disclosed. The...
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5826670 |
Detachable propulsive device for wheelchair
A detachable propulsive device for a wheelchair includes a longitudinal skeleton frame, a driving unit attached to the front of the skeleton frame, a handle for steering the propulsive device,...
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5445236 |
Vehicle
In a vehicle combination, a traction vehicle which can be used independently of the combination, is rigidly connected with a trailer vehicle. The rear wheels of the traction vehicle can be lifted...
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5358065 |
Wheeled vehicle
A vehicle is provided with a number of retractable supporting wheels. When this vehicle is coupled to a load, the supporting wheels can be lifted off the ground so that a very easily controllable...
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5259471 |
Trailer dolly apparatus
A trailer dolly arranged for receiving a trailer hitch thereto to permit ease and mobility of a trailer. A support platform includes a forward wheel pivotally mounted relative to the platform, with...
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5131714 |
General delivery load carrying vehicle
A general delivery load carrying vehicle comprising a unitized load and stress bearing monocoque body and a front wheel drive engine unit. The body comprises a base floor, side walls and a top wall...
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4848831 |
Motor Home assembly
Recreational vehicles such a motor homes are either self-contained or consist of a cab-type drive unit with a fifth wheel connection for the motor home component. The present device comprises a...
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4753313 |
Towing vehicle
A towing vehicle has a front axle carrying at least one wheel, and a rear axle, the wheels of which are steerable and drivably connected to an engine of the vehicle. A coupling mechanism is carried...
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4425979 |
Motor vehicle
A motor vehicle is disclosed having a main frame with rear wheels in substantially fixed alignment supporting the main frame, a steerable frame provided at the forward end of the main frame...
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4368793 |
Combination car system
A combination car system made up from a first car and a second car, both of which are capable of running independently. The first car includes a pair of front wheels by which it is driven, a pair...
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4361200 |
Engine control system for a combination car system
A combination car system is made up from a first car and a second car, both of which are capable of running independently. The first car includes a pair of front wheels by which it is driven, a...
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4355694 |
Transmission control system for a combination car system
A combination car system is made up from a first car and a second car, both of which are capable of running independently. The first car includes a pair of front wheels by which it is driven, a...
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4351404 |
Brake control system for a combination car system
A combination car system is made up from a first car and a second car, both of which are capable of running independently. The first car includes a pair of front wheels by which it is driven, a...
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4321977 |
Hauling vehicle
A hauling vehicle in the form of a so-called terminal tractor intended for transporting containers, but which also can be used for transporting different kinds of trailers provided only with rear...
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4287959 |
Self propelled pallet truck
A pallet truck for lifting and transporting pallets. The truck is moved by a self-propelled carriage having two wheels. Each wheel is propelled by a separate direct current electric motor, the...
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4279319 |
Hydraulic control system for vehicle axle suspension
A control circuit for controlling the hydraulic suspension system of an articulated vehicle having a first pair of hydraulic cylinders operatively connected between a drive axle and a tractor frame...
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4271920 |
Automobile vehicle with transverse engine-drive unit
A mounting arrangement for a transversely mounted engine-drive unit in which the engine-drive unit is connected to a vehicle sub-frame by structure preventing longitudinal movement between the unit...
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4201273 |
Vehicle axle suspension system
A tractor scraper suspension system having a tractor drive wheel axle frame pivotally connected to a tractor main frame to permit vertical movement of the tractor drive wheels relative to the...
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4182426 |
Tractor unit for implements and vehicles
A tractor unit for wheeled vehicles having fixed draft tongues, the tractor unit including a frame supported at its front end by a pair of laterally spaced steerable drive wheels, and having a...
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4136892 |
Method of connecting vehicle modules
A method for connecting together a tractor module and an implement module to form a complete vehicle . The tractor module includes a first coupling portion and a source of pressurized hydraulic...
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4121680 |
Vehicles
According to the present invention, there is provided a vehicle having, viewed from the side, at least three ground wheels arranged one behind the other with respect to the direction of forward...
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4063612 |
Motorized golf bag cart
This motorized golf bag cart has a wheeled base which carries a battery and a battery-operated motor that drives the front wheels. A handle extends up from the base and is coupled to the base to...
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3963086 |
Twin-engine overhung scraper having a leading arm suspension
An earthmoving scraper including an overhung tractor and a trailing scraper bowl in which the latter units are respectively provided with a front axle and a rear axle having a pair of driven...
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3908778 |
Diesel tractor for articulated mine vehicles
A diesel tractor for articulated mine vehicles comprises a frame including parallel rectangular tubular members interconnected at their extreme front ends by a transverse rectangular tubular member...
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3894604 |
Automobile vehicles
The vehicle comprises a chassis adapted to connect the front axle to the rear axle and a body connected resiliently to the chassis. The engine of the vehicle is fixed on the chassis by linking...
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3881563 |
Grader blade attachment for tractors
In an attachment for a tractor, a tool-supporting frame, having an adjustable grader blade, extends forwardly from the tractor and is releasably secured thereto. The frame is provided with a...
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3876023 |
Connection for vehicle modules
An alignment and connection mechanism for a vehicle which is separable into a tractor module and an implement module, each module having a coupling plate which is connectable to the coupling plate...
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3874469 |
Agricultural machine
Agricultural machine having a frame supported by driving wheels and supporting wheels, said frame having a main part arranged in the longitudinal direction of the machine so as to extend from the...
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