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Class Information
Number: 280/474
Name: Land vehicles > Wheeled > Articulated vehicle > Selectively rigid or flexible
Description: Devices in which the draft connection between the articulated vehicles includes at least one joint which may be adjusted to constitute either a rigid or a movable connection during operation of the vehicles.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7044493 |
Trailer hitch tow bar assembly |
May. 16, 2006 |
| 7032918 |
Stabilization of an articulated vehicle |
Apr. 25, 2006 |
| 6991246 |
Trailer hitch assembly |
Jan. 31, 2006 |
| 6866284 |
Crash attenuator for vehicle and method for transporting such attenuator |
Mar. 15, 2005 |
| 6749213 |
Drawbar support assembly |
Jun. 15, 2004 |
| 6712380 |
Trailer |
Mar. 30, 2004 |
| 6591918 |
Agricultural tractor hitch |
Jul. 15, 2003 |
| 6523629 |
Tandem mobile robot system |
Feb. 25, 2003 |
| 6488306 |
Mobility platform coupling device and method for coupling mobility platforms |
Dec. 3, 2002 |
| 6443475 |
Movable drawbar control system |
Sep. 3, 2002 |
| 6340167 |
Anti-jackknife trailer coupling |
Jan. 22, 2002 |
| 6116631 |
Shock absorbing trailer hitch assembly |
Sep. 12, 2000 |
| 6109814 |
"Float/no-float" mechanism for 3-point hitch |
Aug. 29, 2000 |
| 5823268 |
Trailer hitch anti-sway device |
Oct. 20, 1998 |
| 5823271 |
Lifting rod for the three-point attaching device of a tractor |
Oct. 20, 1998 |
| 5725231 |
Trailer hitch |
Mar. 10, 1998 |
| 5658003 |
Trailer system |
Aug. 19, 1997 |
| 5601146 |
Hitch assembly for a tractor |
Feb. 11, 1997 |
| 5531468 |
Trailer articulation device |
Jul. 2, 1996 |
| 5528886 |
Hitching arrangement for a mower deck |
Jun. 25, 1996 |
| 5509682 |
Fifth wheel hitch assembly |
Apr. 23, 1996 |
| 5404958 |
Lifting structure for an agricultural tractor |
Apr. 11, 1995 |
| 5308100 |
Trailer coupler assembly |
May. 3, 1994 |
| 5201539 |
Actuating mechanism for a hitch guidance system |
Apr. 13, 1993 |
| 5152545 |
Trailer tow bar lift mechanism |
Oct. 6, 1992 |
| 5050901 |
Two-way shock proof and shock absorbing towing coupling |
Sep. 24, 1991 |
| 4993738 |
Antijackknife device for towed trailer |
Feb. 19, 1991 |
| 4917406 |
Length-adjustable holding device for the lower steering arm of a three-point coupling device |
Apr. 17, 1990 |
| 4862971 |
Sway limiting means for a tractor hitch |
Sep. 5, 1989 |
| RE33012 |
Trailer coupling means |
Aug. 8, 1989 |
| 4768801 |
Chassis lock between towing tractor and chassis for chassis having telescoping articulating stinger |
Sep. 6, 1988 |
| 4728112 |
Tandem two seat child's stroller |
Mar. 1, 1988 |
| 4662646 |
Trailing mower and drawbar articulation |
May. 5, 1987 |
| 4650206 |
Locking hitch assembly |
Mar. 17, 1987 |
| 4650205 |
Highway train |
Mar. 17, 1987 |
| 4645226 |
Dolly having an adjusting flexible or rigid connection |
Feb. 24, 1987 |
| 4640522 |
Draft link sway block |
Feb. 3, 1987 |
| 4609203 |
Hitch structure with variable link |
Sep. 2, 1986 |
| 4603876 |
Trailer convertor assembly |
Aug. 5, 1986 |
| 4601486 |
Tractor hitch |
Jul. 22, 1986 |
| 4597585 |
Trailer caravan |
Jul. 1, 1986 |
| 4579363 |
Easily releasable mounting for supporting powered equipment between a tractor and trailer |
Apr. 1, 1986 |
| 4579361 |
Implement cart |
Apr. 1, 1986 |
| 4575110 |
Device for damping oscillations of a trailer |
Mar. 11, 1986 |
| 4573699 |
Trailer back-up coupling |
Mar. 4, 1986 |
| 4558879 |
Trailer for a truck |
Dec. 17, 1985 |
| 4556231 |
Apparatus for preventing unintentional bending or jackknifing and for improving lateral travelling stability in an articulated vehicle |
Dec. 3, 1985 |
| 4523771 |
Drawbar apparatus |
Jun. 18, 1985 |
| 4470613 |
Tractor hitches |
Sep. 11, 1984 |
| 4465293 |
Vehicle oscillation lock |
Aug. 14, 1984 |
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