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Class Information
Number: 180/209
Name: Motor vehicles > Special wheel base > With means for changing number of supporting wheels, or for adjusting relative location thereof
Description: Vehicle provided either with means whereby the number of wheels which engage the ground for supporting the vehicle may be decreased or increased, or with means whereby the position of at least one wheel relative to at least one other wheel may be changed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4545085 |
Wheeled structure for supporting a patient in a sitting position |
Oct. 8, 1985 |
| 4534438 |
Motorized vehicles |
Aug. 13, 1985 |
| 4513837 |
Motorcycle with outrigger wheels |
Apr. 30, 1985 |
| 4501437 |
Load transfer axle assembly |
Feb. 26, 1985 |
| 4488617 |
Four-wheel vehicle |
Dec. 18, 1984 |
| 4483405 |
Omnidirectional motorized wheelchair |
Nov. 20, 1984 |
| 4480851 |
Stowable trailer |
Nov. 6, 1984 |
| 4460064 |
Forklift truck capable of raising and lowering itself and a load back and forth between two surfaces at different levels |
Jul. 17, 1984 |
| 4435113 |
Self-propelled freight handling truck |
Mar. 6, 1984 |
| 4431084 |
Industrial truck |
Feb. 14, 1984 |
| 4424868 |
Turf-treatment apparatus |
Jan. 10, 1984 |
| 4424872 |
Truck |
Jan. 10, 1984 |
| 4418783 |
Tractor |
Dec. 6, 1983 |
| 4392541 |
Vehicle convertible from a tricycle two wheel drive to a four wheel four wheel drive |
Jul. 12, 1983 |
| 4383696 |
Brake control system for the retractible auxiliary wheel train of a truck trailer |
May. 17, 1983 |
| 4368793 |
Combination car system |
Jan. 18, 1983 |
| 4363374 |
Tractor |
Dec. 14, 1982 |
| 4361200 |
Engine control system for a combination car system |
Nov. 30, 1982 |
| 4355694 |
Transmission control system for a combination car system |
Oct. 26, 1982 |
| 4351404 |
Brake control system for a combination car system |
Sep. 28, 1982 |
| 4350222 |
Variable tread vehicle |
Sep. 21, 1982 |
| 4318664 |
Self-stabilizing load lifting and handling vehicle |
Mar. 9, 1982 |
| 4287960 |
Motorcycle conversion kit |
Sep. 8, 1981 |
| 4256344 |
Concrete surfacing machine |
Mar. 17, 1981 |
| 4221276 |
Motorcycle controlling sidecar for handicapped persons |
Sep. 9, 1980 |
| 4133402 |
Two wheel motorized vehicle side wheel outrigger assembly |
Jan. 9, 1979 |
| 4094373 |
Method and apparatus for converting an agriculture machine to a tractor |
Jun. 13, 1978 |
| 4088199 |
Stabilized three-wheeled vehicle |
May. 9, 1978 |
| 4063611 |
Surface effect vehicle |
Dec. 20, 1977 |
| 3980150 |
Motorcycle auxiliary support system |
Sep. 14, 1976 |
| 3952822 |
Electrically powered wheel-chair for indoor and outdoor use |
Apr. 27, 1976 |
| 3948335 |
Motorcycle sidecar mounting apparatus and method |
Apr. 6, 1976 |
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