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Document |
Document Title |
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7392868 |
Device at handtruck
Tiller truck provided with force transmitter in order to transmit a pumping movement with the tiller to the wheels via a coupling in order to facilitate the movement of the truck. The coupling is...
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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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6739601 |
Trailer tongue jack having manually powered guidance
An improved jack for supporting and moving a horizontally extending trailer tongue above the earth's surface having a longitudinally extending support shaft, a bracket rotatably attaching the...
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6619671 |
Power wheel for a trailer tongue jack
An improved jack for horizontally extending trailer tongue including a bracket attached to the trailer tongue, a longitudinal shaft pivotally supported to the bracket and pivotal between a...
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6543790 |
Aircraft towbar
A towbar for the towing of aircraft which will enable the user to attach the same to, selectively, the front nose wheel or the front wheel strut of an aircraft. The towbar includes a longitudinally...
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6236727 |
Apparatus, method and computer program product for protecting copyright data within a computer system
Apparatus, method and computer program product are provided for digitally processing an encrypted data stream scrambled, for example, according to content scrambling system (CSS) technology. This...
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5338047 |
Trailer alignment device
A device simply the alignment of a trailer tongue of a towed vehicle for coupling to the tow bar of a towing vehicle. The device includes a direction orientable wheeled body having a socket thereon...
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4915185 |
Portable aircraft moving device
A portable aircraft moving device comprising a portable electric drill containing a drive shaft extending from the drill output shaft to a worm gear reducer having an output shaft connected to a...
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4883280 |
Towbar and come-along for light aircraft
A towbar and come-along, especially for light aircraft, wherein a tongue is releasably attached to the axle of a nose wheel and carries a ratchet engageable with the periphery of the tire which is...
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4860841 |
Device for maneuvering of trailers
A motorized device for aiding the maneuvering of trailers subsequent to detachment from the towing vehicle is presented which comprises a shaft attachable to the drawbar of the trailer and which is...
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4799698 |
Auxiliary support for the transport of car trailers or truck trailers
An auxiliary support for moving car trailers or truck trailers is supported by wheels on an axle and has a drawbar at its front end. To facilitate connection to a trailer and prevent the auxiliary...
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4799697 |
Apparatus for manually moving loads
Apparatus to reduce the force required to move a load along a flat or inclined surface utilizing an assembly of two traction wheels on a common axis whereby one wheel is free to rotate and the...
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4641847 |
Single lever control wheel chair
A wheel chair including a frame, at least three wheels, a drive mechanism and a single lever control mechanism. The drive mechanism includes a prime mover mechanism and a selective engagement...
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4596300 |
Vehicular propulsion and positioning system
Subframes (30, 70) are supported for pivotal movement under the action of hydraulic cylinders (36, 76) to selectively engage drive rollers (42, 82) with wheels (14,16) of an aerial weapons handling...
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4541642 |
Juvenile vehicle
A juvenile vehicle is demonstrated herein which is powered by unwinding a cable from a continuous stepped drum. In the preferred form of the vehicle the cable is unwound and the drum rotates at a...
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4537416 |
Trailer hitch alignment device
A trailer hitch alignment device comprising an upwardly directed generally arcuate cradle with a vertically elongated tubular socket pivotally mounted therein. The socket receives the lower end of...
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4470564 |
Tug
A lightweight hand-operated aircraft tug for small aircraft includes a main frame upon which a drive drum is movably mounted for engagement with the wheel of an aircraft. A reversible pawl and...
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4463961 |
Manually moving a trailer
This is an accessory for a two wheeled trailer composed basically of three parts for each wheel: a wheelpiece that fastens to the outside of the wheel and that contains in its center a hexrod; a...
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4431208 |
Trailer walker
Recreation and work-type trailers are difficult to maneuver once detached from the towing vehicle even with the conventional dolley wheel in place. This device includes a horizontal main bar with a...
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4422656 |
Apparatus for manual rotation of motor vehicle driving wheels through propeller shaft and differential
Apparatus for advancing or reversing motor vehicles, such as tractors to be coupled with trailers, through use of a hand crank, transmits power from a belt and pulley assembly to the vehicle...
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4416460 |
Drive mechanisms
A traction jockey wheel having a drive mechanism of a pawl and ratchet wheel type with a braking interlock operable when a lever arm used for drive and steering of the traction wheels is lowered or...
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4227706 |
Traction devices for towed vehicles
A traction device for caravans or trailers which is manually operated and includes a ratchet interconnection between the ground engageable wheel or wheels and a lever arm that is used to provide...
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4168074 |
Apparatus for moving caravans and other trailed vehicles
Apparatus for assisting moving of trailed vehicles such as caravans including a jockey wheel supported by an extendible stem adapted to be secured to a forward draft frame of a vehicle, the...
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3937479 |
Dolly for moving and positioning vehicles
A dolly to facilitate the manual moving and positioning of trailers and other vehicles incorporating ratchet mechanisms to provide a high mechanical advantage for moving the vehicles. The ratchet...
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3887204 |
Dolly apparatus
Two interconnected dollies having jacks applied to parallel beams under a mobile home. Torque is applied to the wheels of the dollies, for shifting the mobile home laterally. The dollies have...
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3807767 |
TRAILER AND TOWING VEHICLE ALIGNMENT METHOD AND APPARATUS
A method and means for supporting and laterally shifting a trailer into alignment for attachment to a towing vehicle. When initially placing the trailer, for example at a camp site, a shifting foot...
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3783960 |
TRAILER MANEUVERING JACK
A self-contained conveyance or maneuvering device for mounting to the tongue platform of a trailer or the like which has a jack column and a ground-engaging wheel at the lower end thereof which can...
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3738672 |
DOLLY FOR MOVING VEHICLES
A dolly type device for manually moving house and boat trailers, aircraft and other vehicles has a single ground-engaging wheel mounted in a supporting frame adapted to be swivelly connected to the...
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3549161 |
POWER ASSIST HAND TRUCK
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3482847 |
TRAILER GUIDE WHEEL CONSTRUCTION
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3439764 |
POWER CASTER FOR MOVING TRAILERS
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3356367 |
Ambulatory exercise device
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3272172 |
Load or vehicle supporting devices
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3269740 |
Vehicle moving mechanism
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3183013 |
Trailer spotter
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3156315 |
Dollies for manueuvering trailers
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3150734 |
Airplane power dolley
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3125351 |
Title is not available
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3083978 |
Cart having a removable load carrier
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3020059 |
Lift conveyor
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2994541 |
Airplane tow bar
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2901262 |
Multi-tier laundry cart
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2814505 |
Invalid chair drive and steering mechanism
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2786690 |
Moving device for house trailers
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2750197 |
Trailer with adjustable rear wheels for transverse positioning thereof
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2644691 |
Roller device for moving loads
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2639164 |
Roller device for moving heavy objects
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2620198 |
Tractor jack
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2615726 |
Shopping cart
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2596775 |
Store basket and carriage
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