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Class Information
Number: 267/138
Name: Spring devices > Resilient shock or vibration absorber > Draft gear
Description: Spring device in which the body is one of a pair of vehicle bodies in tow relation with one another and the spring device is interposable between the vehicle bodies to minimize the transfer of forces therebetween resulting from changes in velocity.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6581953 |
Trailer hitch assembly and method for connecting a tractor vehicle and a trailer vehicle with force dampening capabilities |
Jun. 24, 2003 |
| 6474675 |
Stabilizer for a multi-trailer rig |
Nov. 5, 2002 |
| 6286853 |
Vehicle hitch |
Sep. 11, 2001 |
| 6260873 |
Isolation hitch |
Jul. 17, 2001 |
| 5497858 |
Dynamic motion limiter |
Mar. 12, 1996 |
| 5380030 |
Energy dampening drawbar |
Jan. 10, 1995 |
| 4978133 |
Trailer hitch shock absorber |
Dec. 18, 1990 |
| 4817978 |
Trailer hitch assemblies |
Apr. 4, 1989 |
| 4773668 |
Towing hitch |
Sep. 27, 1988 |
| 4746138 |
Trailer hitch assemblies |
May. 24, 1988 |
| 4603878 |
Automatic locking and centering wide range tow hitch |
Aug. 5, 1986 |
| 4564208 |
Trailer stabilizer |
Jan. 14, 1986 |
| 4515387 |
Hitch with swiveling tongue |
May. 7, 1985 |
| 4351542 |
Flexible towing hitch |
Sep. 28, 1982 |
| 4311765 |
Polyurethane shock absorbing unit and said polyurethane |
Jan. 19, 1982 |
| 4282979 |
Force absorbing arrangement |
Aug. 11, 1981 |
| 4282979 |
Force absorbing arrangement |
Aug. 11, 1981 |
| T100801 |
Energy-absorbing device and method for making same |
Jul. 7, 1981 |
| 4265465 |
Trailer bumper hitch |
May. 5, 1981 |
| 4262887 |
Friction spring unit |
Apr. 21, 1981 |
| 4214737 |
Adjustable shock absorber including metering pin and reservoir structure |
Jul. 29, 1980 |
| 4159833 |
Wide range bumper mounted hitch with shock absorber attachment for tow vehicle |
Jul. 3, 1979 |
| 4147376 |
Resilient hitch linkage for connection between a towing vehicle and a towed apparatus |
Apr. 3, 1979 |
| 4118049 |
Device for the fixing of a beam to the chassis of a touring caravan |
Oct. 3, 1978 |
| 4029307 |
Cushioning device |
Jun. 14, 1977 |
| 4027893 |
Force absorbing hitch for a vehicle |
Jun. 7, 1977 |
| 4018452 |
Tractor-scraper units with push-pull coupling including two-way shock absorbers |
Apr. 19, 1977 |
| 3990722 |
Shock absorbing vehicle coupling |
Nov. 9, 1976 |
| 3961813 |
Trailer hitch |
Jun. 8, 1976 |
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