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| Number | Title | Issue Date |
| 8132637 | Off-road capable electric wheelchair attachment An attachment for an electric wheelchair that enables the electric wheelchair to be used in areas that would not otherwise be possible, e.g., beaches, mud, and tall grass. The attachment is powered off of the wheelchair's motor and allows the user to explore terrain... | 03/13/2012 |
| 7815004 | Off road capable electric wheelchair attachment This invention pertains to an attachment to an electric wheelchair. The attachment enables an electric wheelchair to be used in areas that would not otherwise be possible. An electric wheelchair, though very useful and necessary, has several mobility drawbacks. Off ... | 10/19/2010 |
| 7284630 | Kit and method for high clearance conversion of a vehicle A kit and method are provided for conversion of a vehicle to a high clearance vehicle. The method includes supporting the rear end of the vehicle in a raised position by providing replacement rear wheels of larger diameter. A lifting bracket associated with each fro... | 10/23/2007 |
| 7147240 | Self-propelled platform for watercraft A self-propelled platform for a small watercraft. The platform is used to carry a small watercraft from a storage place on the land to sea, and when the watercraft is in use, the platform enables the watercraft to be moored and stored on sea. The platform also enabl... | 12/12/2006 |
| 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 movement without power assist difficult or impossible. ... | 11/14/2006 |
| 7014198 | Low profile cart and automatic unloading system A low profile cart and conveyance system is disclosed. The cart includes a frame with a longitudinal axis that extends from its front to back. A plurality of wheels are mounted so as to permit movement of the cart in a direction generally along the longitudinal axis... | 03/21/2006 |
| 6659214 | Tracked vehicle operable by a non-tracked vehicle A tracked vehicle adapted for receiving a wheeled vehicle and to be driven by the wheeled vehicle. The tracked vehicle has a chassis. Guide and drive wheels are mounted on the chassis at each side and a set of tracks are driven by the driven wheels and gu... | 12/09/2003 |
| 6496769 | Four wheel drive anti-lock brake control having torque transfer alleviation A four-wheel drive anti-lock brake control in which the existence of torque transfer between the front and rear wheels of the vehicle is detected based on differences in the duration of ABS control used at each of the independently controlled wheels. Such... | 12/17/2002 |
| 6412582 | Wheeled cart accessory for snowmobiles A novel solution for converting a snowmobile for use as a four-wheeled vehicle for transport or recreation when there is no snow cover on the ground. The present invention consists of an integrated chassis frame to which four wheels are attached. The fron... | 07/02/2002 |
| 6257361 | High clearance truck converter A high clearance converter is used for converting a road vehicle, e.g. a pickup truck, to a high clearance vehicle, for example for agricultural use. The converter has front and rear frame components, each with two upright and ground wheels mounted on eac... | 07/10/2001 |
| 6101953 | Apparatus to facilitate rail transit by motor vehicles An apparatus for facilitating the travel of a motor vehicle, designed for roadway travel, upon railways has the capacity to be towed to the rail site by the motor vehicle. The apparatus has a platform having at least one rotatable axle of roadway tires at... | 08/15/2000 |
| 6021861 | High clearance truck converter A high clearance converter is used for converting a road vehicle, e.g. a pickup truck, to a high clearance vehicle, for example for agricultural use. The converter has front and rear frame components, each with two upright and ground wheels mounted on eac... | 02/08/2000 |
| 5397056 | Fully-automatic spraying system employing spray car The present invention relates to a fully-automatic spraying system employing a spray car. The system includes a spray car body and a truck on which the spray car body is mounted so that the spray car body can be loaded onto and unloaded from the truck. A ... | 03/14/1995 |
| 5375464 | Process for device for steering vehicle wheels rolling on test stands A process steers vehicle wheels rolling on test stands in order to determine vehicle behavior under actual operating conditions. In order to reproducibly create anticipated riding comfort on the test stand which, in addition to the swaying and shaking mot... | 12/27/1994 |
| 5097770 | Traveling apparatus for automatically mounting, dismounting, and driving a rail carriage An automatic traveling apparatus comprising a self-propelling car having a self-propelling drive is mounted on a carriage car in such a manner as to be dismountable therefrom. The apparatus also includes a driving-force transmission which, when the self-p... | 03/24/1992 |
| 5072805 | High clearance vehicle frame construction A high clearance frame construction for supporting a motor vehicle, and in particular a truck, for use as a tractor-like device for farming and other such related chores. The frame construction includes front and rear tractor-like wheels. The front frame ... | 12/17/1991 |
| 5029665 | Auto-carrying system An auto-carrying system has a self-propelled vehicle and a mobile carrier capable of carrying the vehicle such that the vehicle can run onto and off the carrier. Sensor actuating poles are arranged along the path of movement of the carrier, while sensors ... | 07/09/1991 |
| 4998594 | Vehicle control training device A driver training apparatus for simulating skid conditions of a vehicle which includes a lifting frame supported by four caster wheels which underlies and is connected with the vehicle suspension system and is propelled by the vehicle. Under normal drivin... | 03/12/1991 |
| 4987962 | Motion or force take-off device for motor vehicles The field of the invention relates to installations for transmitting motion or power to any measuring apparatus or to apparatus requiring a rotary drive. The device of the invention comprises a box frame, and an endless belt rotating over two parallel pul... | 01/29/1991 |
| 4972917 | Carriage conveying equipment A carriage conveying apparatus has a loaded carriage to be conveyed, and a driving vehicle for coupling, towing and conveying the carriage from below the carriage. Since the vertical load of the carriage is transmitted to the driving vehicle, controlled t... | 11/27/1990 |
| 4723451 | Power take-off device of prime mover for propelling watercraft A power take-off device for employing the power of a prime mover originally provided for propelling a watercraft to drive equipment other than the watercraft. The stern-side end of an impeller shaft rotated by the prime mover for propulsion is extended ou... | 02/09/1988 |
| 4721430 | Railroad track vehicle A vehicle for use in transporting heavy equipment having a hydraulic system including a hydraulic pump, which vehicle has a hydraulic motor arranged to drive a pair of railroad track wheels. The vehicle also has an arrangement such that the hydraulic moto... | 01/26/1988 |
| 4719983 | Device and attendant equipment for converting a motor-scooter into a vehicle suitable for operating on snowy ground A device comprising a rear adapter frame with an idle crawler track and adapted to be mounted, together with a front steering skid, in lieu of the rear and front wheels, respectively, of a motor-scooter so as to enable a quick conversion thereof, when des... | 01/19/1988 |
| 4712636 | Carriage for watercraft A carriage adapted for an inboard-type motorboat provided with a power take-off device for a prime mover. The carriage comprises a dolly loading the watercraft, plural wheels inclusive of driving wheels rotatably supported by shafts on the dolly, an input... | 12/15/1987 |
| 4700798 | Driver training apparatus for simulating skid conditions of an automobile A driver training apparatus for simulating skid conditions of an automobile, comprises a separate lifting frame carried by four castor wheels which is disposed under the car and is propelled by the car. Under ordinary driving conditions, the castor wheels... | 10/20/1987 |
| 4669946 | Towing device for vehicles A tow basket for use in towing a vehicle. The wheels of the vehicle to be towed are lifted onto the tow basket as the basket approaches and contacts the vehicle wheels. In a preferred embodiment, the vehicle wheel is lifted by a conveyor belt onto a first... | 06/02/1987 |
| 4636176 | Boat propelled by a motorcycle A boat propelled by a motorcycle. The boat propelled by a motorcycle has a portable ramp to get the motorcycle on and off. The motorcycle produces rotational energy by its driven wheel and transmits it to a pair of rollers covered by rubber or any nonslip... | 01/13/1987 |
| 4534437 | Snow track belt for motorcycle An endless traction belt and a method for its manufacture are provided. The traction belt has a main body made primarily of elastomeric material and is adapted to be moved in an endless path having a longitudinal axis. The main body comprises a substantia... | 08/13/1985 |
| 4415055 | Tracked vehicle A tracked vehicle to receive a wheeled vehicle and to be driven by the wheeled vehicle. The tracked vehicle has a chassis. Guide wheels are mounted on the chassis at each side and drive wheels mounted at at least the rear of the chassis, at each side. A t... | 11/15/1983 |
| 4411330 | Stair-climbing apparatus for a wheel chair or similar mobile transport means A stair-climbing apparatus for a wheel chair or the like mobile transport means, which apparatus is provided with an undercarriage, a plurality of pulleys mounted in the undercarriage, at least one endless track extending along a way defined by at least t... | 10/25/1983 |
| 4391343 | Retractable tracted cart A convertible traction device for permitting a road vehicle to be used in an off-road configuration is described. The device is provided as a trailer having a pair of retractable road wheels with a pair of traction belt assemblies mounted thereon. The tra... | 07/05/1983 |
| 4263977 | Carrier vehicle for a motor-driven rotary mower A vehicle, its frame, with a driver's seat, mounted on two rear wheels and a single steerable front wheel, is made to enable a wheel-mounted motor-driven rotary mower to be removably installed with its rear wheels between those of the vehicle, its front w... | 04/28/1981 |
| 4121788 | Aircraft mobile chock Mobile platform units for separate selective engagement with the normal ground contact elements of aircraft undercarriage components (inclusive of wheels and tires, etc.) for distributing the usual highly concentrated loadings thereof over a greater groun... | 10/24/1978 |
| 4040761 | Piggyback tractor powered roller A roller chassis including front and rear ends is provided and a rear horizontal transverse roller is journalled from the rear end of the chassis. A front roller support is dependingly supported from the front end of the chassis for oscillation about a ve... | 08/09/1977 |
