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Class Information
Number: 280/81.1
Name: Land vehicles > Wheeled > Running gear > Multiple truck
Description: Vehicles having running gear composed of a plurality of sets of supporting wheels, the wheels of each set being so mounted as to constitute a substantially complete running gear unit.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6932173 |
Steered vehicle |
Aug. 23, 2005 |
| 6719309 |
Multi-axle unit having at least three axles |
Apr. 13, 2004 |
| 6478317 |
Swing-frame assembly for tag axle |
Nov. 12, 2002 |
| 6315311 |
Self-stowing wheeled support structure |
Nov. 13, 2001 |
| 5897123 |
Tag axle pivot |
Apr. 27, 1999 |
| 5540454 |
Tag axle assembly |
Jul. 30, 1996 |
| 5516135 |
Tag axle latching mechanism |
May. 14, 1996 |
| 5340141 |
Lift systems for elevating the load bed of a vehicle |
Aug. 23, 1994 |
| 5127663 |
Tandem trailer truck for transporting elongate objects |
Jul. 7, 1992 |
| 5112073 |
Steering system for load supporting dolly |
May. 12, 1992 |
| 5018755 |
Tag axle for work vehicles |
May. 28, 1991 |
| 4993729 |
Vehicle suspension |
Feb. 19, 1991 |
| 4988115 |
Undercarriages |
Jan. 29, 1991 |
| 4940287 |
Load enhancer for dump trucks |
Jul. 10, 1990 |
| 4936596 |
Detachable auxiliary load-carrying apparatus for mobile equipment |
Jun. 26, 1990 |
| 4812044 |
Tag axle assembly with limit switch |
Mar. 14, 1989 |
| 4783096 |
Stacked airbag wheeled vehicle suspension system |
Nov. 8, 1988 |
| 4762421 |
Tag axle assembly for work vehicles |
Aug. 9, 1988 |
| 4726598 |
Apparatus for increasing the vertical travel of auxiliary wheels mounted on a vehicle |
Feb. 23, 1988 |
| 4705133 |
Tag axle assembly for work vehicle |
Nov. 10, 1987 |
| 4684142 |
Steerable auxiliary axle |
Aug. 4, 1987 |
| 4588201 |
Hydraulic system for an auxiliary load transfer device |
May. 13, 1986 |
| 4553773 |
Load equalizer valve and suspension system |
Nov. 19, 1985 |
| 4501437 |
Load transfer axle assembly |
Feb. 26, 1985 |
| 4423884 |
Booster axle connection system for a trailer assembly |
Jan. 3, 1984 |
| 4421331 |
Auxiliary load-carrying apparatus |
Dec. 20, 1983 |
| 4398738 |
Self-steering and retractable axle assembly |
Aug. 16, 1983 |
| 4384530 |
On-track, off-track track maintenance machine |
May. 24, 1983 |
| 4383696 |
Brake control system for the retractible auxiliary wheel train of a truck trailer |
May. 17, 1983 |
| 4375892 |
Oil well drilling rig mover |
Mar. 8, 1983 |
| 4350358 |
Auxiliary load-carrying apparatus |
Sep. 21, 1982 |
| 4335898 |
Load shifter assembly for trailers |
Jun. 22, 1982 |
| 4325560 |
Tank truck vehicle for transporting fluid or pulverous material, particularly oil |
Apr. 20, 1982 |
| 4284156 |
Vehicle with at least three axles |
Aug. 18, 1981 |
| 4280710 |
Third axle attachment for motor vehicles |
Jul. 28, 1981 |
| RE30581 |
Supplementary support for vehicles |
Apr. 21, 1981 |
| 4262923 |
Multi-purpose over-the-highway trailer arrangements |
Apr. 21, 1981 |
| 4227711 |
3-Axle walking beam suspension |
Oct. 14, 1980 |
| 4226437 |
Axle-load distributing apparatus |
Oct. 7, 1980 |
| 4222581 |
Apparatus and method for moving a large object |
Sep. 16, 1980 |
| 4211297 |
Weight vehicle apparatus |
Jul. 8, 1980 |
| 4200305 |
Trailer assembly for carrying overwidth loads |
Apr. 29, 1980 |
| 4195856 |
High lift tag axle load transfer system |
Apr. 1, 1980 |
| 4181189 |
Tag axle for sub-frame of heavy duty truck power module |
Jan. 1, 1980 |
| 4165884 |
Chain lift for auxiliary axle assembly |
Aug. 28, 1979 |
| 4161325 |
Supplementary support for vehicles |
Jul. 17, 1979 |
| 4157188 |
Tag axle support for concrete mixer units |
Jun. 5, 1979 |
| 4146243 |
Extra flotation device for selectively providing auxiliary ground support for load-bearing vehicles |
Mar. 27, 1979 |
| 4129315 |
Play vehicle |
Dec. 12, 1978 |
| 4082305 |
Auxiliary axle assembly |
Apr. 4, 1978 |
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