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| Number | Title | Issue Date |
| 7588109 | Drill energized power module A power module provides power to move a vehicle, such as a mini-bike, and includes a portable electric drill acting through a gear box and chain drive to rotate a wheel of the vehicle. ... | 09/15/2009 |
| 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 manner that actuation of the motor unit results in rotation of the drive... | 12/25/2007 |
| 7256559 | Walking structure of object This invention is a “four-direction moving” structure that can move in all four directions without turning first. It contains two groups of wheels that are arranged perpendicular to one another, i.e. four rows of wheels form a quadrate. Within each group, the wh... | 08/14/2007 |
| 7243747 | Trailer provided with manoeuvring device A trailer provided with a manoeuvring device. The manoeuvring device has a pivoting frame that can be moved with respect to the chassis of a trailer, such as a caravan, and is provided at the end with a roller driven by an electric motor. This roller does not engage... | 07/17/2007 |
| 6966725 | Apparatus for spreading aggregate material on a road berm An apparatus is provided for spreading aggregate material on ground. The apparatus includes a body 12, an engine 14 carried by the body, motive structure 18 powered by the engine to move the apparatus along the ground. A hopper 20 is asso... | 11/22/2005 |
| 6290018 | Mounting device for a pedal A mounting device for a pedal is installed on a fixed wall of a vehicle in an arrangement where a brace holding the pivotally mounted pedal is firmly attached to the wall and the connection between the brace and the pedal is self-releasing in the case of ... | 09/18/2001 |
| 5884720 | Parking device for vehicles A parking device attachable to one end of a vehicle understructure for use in parking the vehicle, includes a carriage and coupling mechanism which permits the carriage to move either to a retracted position or to a deployed vertically-spaced position, an... | 03/23/1999 |
| 5450918 | Laterally movable mechanism of a vehicle A laterally movable mechanism for moving a vehicle in a direction perpendicular to the traveling direction by a slide mechanism attached to the vehicle chassis. Laterally movable mechanisms are disposed at front and rear portions of the chassis, and each ... | 09/19/1995 |
| 5447210 | Car-parking and rotating mechanism A car-parking and rotating mechanism including a controlling unit, four retrieving cylinders, four lifting cylinders and four transmisssion units each of which includes a two-way motor and a driven wheel. The controlling unit includes a controlling panel ... | 09/05/1995 |
| 5185901 | Bowling lane maintenance machine capable of self-indexing from lane-to-lane A bowling lane maintenance machine (10) performs selected maintenance operations on the surface of the bowling lane, shifts itself to the approach area spanning a plurality of lanes behind the foul line end of the lanes, indexes to another lane, and then ... | 02/16/1993 |
| 5186270 | Omnidirectional vehicle The invention provides controlled omnidirectional relative movement between a device and a selected surface in contact therewith. The device is preferably a vehicle having a first and second track mounted thereto, which tracks are parallel and spaced from... | 02/16/1993 |
| 5083625 | Powdered maneuverable hospital cart A powdered maneuverable cart with a cart frame including a top load bearing portion and a bottom portion interconnected having hydraulic cylinders for raising the top portion in relation to the bottom portion. Situated above the cart frame top portion is ... | 01/28/1992 |
| 5003236 | Method of and apparatus for moving electrically powered mining equipment A method of moving an electrically powered mining machine between locations that have electric power supplies, the mining machine of the type having at least one electric motor for moving the mining machine, the method including connecting a temporary pow... | 03/26/1991 |
| 4998595 | Structure of lateral driving device for car An improved structure of lateral driving device for car, particularly related to a simple hydraulic loop and structural element to achieve the purpose of laterally driving the car through a remote control device to control the operating sequence thereof a... | 03/12/1991 |
| 4834206 | Hydraulic drive automobile horizontal driving device Four lift units are installed at the axle shaft of the car wheels and can be swung from the bottom plate by means of a hydraulic drive motor, to enable the car to move horizontally to the left or to the right into a parking space. Besides enabling the car... | 05/30/1989 |
| 4605086 | Lifting and maneuvering device for motor vehicles A lifting and maneuvering device for motor vehicles is disclosed, including an auxiliary wheel assembly mounted adjacent to the front and/or the rear wheels of the vehicle. Vertical drive means raise and lower the auxiliary wheel assembly from retracted p... | 08/12/1986 |
| 4580652 | Motorcycle sidecar A motorcycle sidecar apparatus attaches to a motorcycle. The sidecar has an independent reverse drive and is controllable in the forward and reverse directions from either the motorcycle or the sidecar. It is particularly adapted for the use of wheelchair... | 04/08/1986 |
| 4392541 | Vehicle convertible from a tricycle two wheel drive to a four wheel four wheel drive A tricycle type vehicle with two forwardly disposed spaced apart drive wheels and a rear centrally disposed caster wheel. Spaced apart auxiliary drive wheels flank both sides of the rear caster wheel and are arranged for vertical movement on the vehicle. ... | 07/12/1983 |
