U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5901666

Pet Display Clothing

A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 280/3 - WHEELED PROPELLED


Subclass of Class 280 - Land vehicles
Definition: Vehicles provided with means for rotating a wheel or wheels
No. of patents: 32
Last issue date: 07/01/2008


NumberTitleIssue Date
7392868Device 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 arranged so that it can be set for force transfer forward or rearward ...
07/01/2008
7364180Trailer hitch with separated functions
A hitch assembly for coupling a trailer to a tow vehicle includes a number of assemblies, including converging links and a slide assembly, that effectively places the pivot point for the trailer ahead of the actual hitch assembly, which in turn enhances the stabilit...
04/29/2008
7334809Trailer hitch assembly
A trailer hitch assembly better secures a trailer to a vehicle trailer hitch. By restricting vertical travel of the trailer coupling, a hitch ball on a draw bar is better engaged by the trailer coupling as any vertical dislodgement of the trailer coupling from the h...
02/26/2008
7293619Front wheel motor driven-golf trolley
A front-wheel motor powered golf trolley comprised of a compact backward tricycle-wheel arrangement and a lightweight stiff open truss chassis. Left and right front wheel assemblies, driven by common drive axle, motorized through silent motor speed reduction, pull t...
11/13/2007
7234665Aircraft landing gear snow ski tow bar
A snow ski tow bar adapts a prior art aircraft tow bar for attachment to a landing gear of an aircraft to which a snow ski has been attached. The snow ski tow bar modifies an existing tow bar with a second set of connectors that adapt the snow ski tow bar for connec...
06/26/2007
7192100Power machine having traction lock with speed-range selector
A self propelled power machine is provided with a drive system and a traction lock mechanism. The drive system includes a speed range selector and associated mechanism that can operate the power machine in high and low speed ranges. The traction lock mechanism, when...
03/20/2007
7047605Method and apparatus for lifting crypt lids
A vehicle (10) is used to lift the buried lid of a crypt and any soil or turf overlying the lid. The vehicle (10) has a mobile frame (14) which can be positioned over the lid. An attachment frame (11) is suspended from a subframe (12
05/23/2006
7048096Incremental braking apparatus and method of braking
An incremental braking apparatus and method includes a first rotating member having a plurality of rigid stops spaced circumferentially around an outer cylindrical surface of the first rotating member, and a plurality of flexible stops arranged in a plurality of row...
05/23/2006
6966573Jack dolly with brake
A dolly (10) for transporting a jack (50) having front arm members (12a, b) attached to cooperating ends of rear arm members (34a, b) by a rod (30). The front arm members are mounted on wheels (22a, b) o...
11/22/2005
6945343Motorized 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 pinion gear which engages a circular rack mounted to the wheel. Operation ...
09/20/2005
6739601Trailer 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 support shaft to a trailer tongue by which the support shaft may be pivote...
05/25/2004
6619671Power 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 substantially vertical position and a substantially horizontal pos...
09/16/2003
6543790Aircraft 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 extending towing bar with a vehicle attachment on one end...
04/08/2003
6236727Apparatus, 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 digital processing insures against communication of clear d...
05/22/2001
5338047Trailer 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 to receive the lower end of a vertical tongue jack of the...
08/16/1994
4915185Portable 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 drive wheel that is mounted temporarily to the front wheel o...
04/10/1990
4883280Towbar 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 torqued by manipulation of a radially extended handle, act...
11/28/1989
4860841Device 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 adjustable for height. At least one wheel is mounted at t...
08/29/1989
4799698Auxiliary 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 support from tilting, the auxiliary support is provided wi...
01/24/1989
4799697Apparatus 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 other is prevented from rotation and vice versa by the use of ...
01/24/1989
4641847Single 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 mechanism. The frame is supported by the wheels. The single lev...
02/10/1987
4596300Vehicular 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 trailer (10). Drive motors (48, 88) are operatively conne...
06/24/1986
4541642Juvenile 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 faster and faster speed thus causing the vehicle to rapidly...
09/17/1985
4537416Trailer 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 a trailer jack shaft. A locking pin selectively locks the ...
08/27/1985
4470564Tug
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 rachet or an equivalent device controls the direction of rotat...
09/11/1984
4463961Manually 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 long-handled ratchet that fits in place over the hexrod of t...
08/07/1984
4431208Trailer 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 pair of plates one at each end being mounted to the under...
02/14/1984
4422656Apparatus 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 propeller shaft, and therefore, to the drive wheels through the ...
12/27/1983
4416460Drive 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 raised past a select range of operating positions. The im...
11/22/1983
4227706Traction 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 both a drive and a steering of the ground engageable wheels....
10/14/1980
4168074Apparatus 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 apparatus being characterized according to this invention in that...
09/18/1979
3937479Dolly 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 mechanism can be selected to drive in the forward or revers...
02/10/1976
 
Sign InRegister
Username  
Password   
forgot password?