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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 |
| 5058916 |
Apparatus for providing additional lift in a retractable suspension |
Oct. 22, 1991 |
| 5058917 |
Two-stage retractable suspension |
Oct. 22, 1991 |
| 5048864 |
Cycle type vehicles |
Sep. 17, 1991 |
| 5039129 |
Vehicle for agricultural use |
Aug. 13, 1991 |
| 5029894 |
Retractable motorcycle stop-support wheels |
Jul. 9, 1991 |
| 5025877 |
Load distribution system for road vehicles having wheel axles supported by pneumatic suspension |
Jun. 25, 1991 |
| 4998594 |
Vehicle control training device |
Mar. 12, 1991 |
| 4986386 |
Apparatus for adjusting the tread of steerable wheels of a vehicle |
Jan. 22, 1991 |
| 4961477 |
Wheel chair transporter |
Oct. 9, 1990 |
| 4940110 |
Mobile work unit with raisable and lowerable support legs |
Jul. 10, 1990 |
| 4921265 |
Front axle |
May. 1, 1990 |
| 4915577 |
Self-propelled mobile cradle for boats |
Apr. 10, 1990 |
| 4913252 |
Motorized luggage |
Apr. 3, 1990 |
| 4905787 |
Rear wheel drive mechanism for a motorcycle |
Mar. 6, 1990 |
| 4887685 |
Steerable motorized three-wheeled vehicles for use by the handicapped and others desiring assistance |
Dec. 19, 1989 |
| 4878339 |
Power lawn mower with selectively deployable riding platform |
Nov. 7, 1989 |
| 4856814 |
Adjustable, proportionally steerable auxiliary wheel asemblies for trucks |
Aug. 15, 1989 |
| 4838566 |
Slider |
Jun. 13, 1989 |
| 4834409 |
Personal mobility vehicle with expansible wheel base and wheel track |
May. 30, 1989 |
| 4813839 |
Portable truck and railroad car load conveyer |
Mar. 21, 1989 |
| 4812044 |
Tag axle assembly with limit switch |
Mar. 14, 1989 |
| 4805710 |
Arrangement in industrial trucks |
Feb. 21, 1989 |
| 4799698 |
Auxiliary support for the transport of car trailers or truck trailers |
Jan. 24, 1989 |
| 4791996 |
Agricultural tractor with lightweight frame and front and rear wheels forming substantially continuous wheel path |
Dec. 20, 1988 |
| 4789038 |
Axle weight distribution controller |
Dec. 6, 1988 |
| 4762421 |
Tag axle assembly for work vehicles |
Aug. 9, 1988 |
| 4759421 |
Industrial vehicle with integrated emergency recovery device |
Jul. 26, 1988 |
| 4753313 |
Towing vehicle |
Jun. 28, 1988 |
| 4750579 |
Arrangement in industrial trucks |
Jun. 14, 1988 |
| 4726598 |
Apparatus for increasing the vertical travel of auxiliary wheels mounted on a vehicle |
Feb. 23, 1988 |
| 4711464 |
Wheel lift |
Dec. 8, 1987 |
| 4705133 |
Tag axle assembly for work vehicle |
Nov. 10, 1987 |
| 4700798 |
Driver training apparatus for simulating skid conditions of an automobile |
Oct. 20, 1987 |
| 4694923 |
Heavy duty display cart |
Sep. 22, 1987 |
| 4691798 |
System for automatically preventing turnover of two wheeled vehicles |
Sep. 8, 1987 |
| 4682668 |
Go-cart |
Jul. 28, 1987 |
| 4679634 |
Apparatus for extending the frame of a tractor |
Jul. 14, 1987 |
| 4666008 |
Methods and apparatus for adapting steerable powered vehicles for the handicapped to outdoor travel |
May. 19, 1987 |
| 4635742 |
Extendable chassis |
Jan. 13, 1987 |
| 4630699 |
Driving wheel supporting system |
Dec. 23, 1986 |
| 4630701 |
Vehicle steering mechanism |
Dec. 23, 1986 |
| 4619340 |
High clearance self-propelled vehicle with variable clearance and variable wheel spacing |
Oct. 28, 1986 |
| 4613009 |
Wheel supporting structure for riding type working vehicles |
Sep. 23, 1986 |
| 4611683 |
Farm tractor |
Sep. 16, 1986 |
| 4602800 |
Tractor |
Jul. 29, 1986 |
| 4576390 |
Combination outrigger stabilizer and lift axle for vehicles |
Mar. 18, 1986 |
| 4573396 |
Nuclear blast hardened mobile vehicle |
Mar. 4, 1986 |
| 4572530 |
Ride-on convertible robot |
Feb. 25, 1986 |
| 4571139 |
Self-propelled freight handling truck |
Feb. 18, 1986 |
| 4570417 |
Process for loading a shipping container with vehicles |
Feb. 18, 1986 |
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