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Class Information
Number: 280/508
Name: Land vehicles > Wheeled > Articulated vehicle > Coupling > Self-coupling
Description: Devices in which the opposing coupling members automatically assume a coupled or connected relationship as a result of relative movement toward one another in a horizontal plane and require no manual manipulation at the time of making the connection.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7547036 |
Drawbar device for tow vehicle |
Jun. 16, 2009 |
| 7530405 |
Implement quick coupler latch mechanism |
May. 12, 2009 |
| 7416206 |
Drawbar hammer strap pin lock |
Aug. 26, 2008 |
| 7378013 |
Gooseneck trailer coupler |
May. 27, 2008 |
| 7225883 |
Device for coupling implement to agricultural tractor |
Jun. 5, 2007 |
| 7125033 |
Towing apparatuses |
Oct. 24, 2006 |
| 6908093 |
Kingpin coupler |
Jun. 21, 2005 |
| 6758285 |
Coupling for coupling pulled implements or trailer having a drawbar to a tractor |
Jul. 6, 2004 |
| 6698783 |
Trailer hitch guide |
Mar. 2, 2004 |
| 6695337 |
Pivotal pin lock for fifth wheel hitch |
Feb. 24, 2004 |
| 6669224 |
Docking assembly |
Dec. 30, 2003 |
| 6619687 |
Quick hitch drawbar assembly |
Sep. 16, 2003 |
| 6588790 |
Trailer coupler |
Jul. 8, 2003 |
| 6557275 |
Vehicle hitch mount assembly for a snow plow |
May. 6, 2003 |
| 6488306 |
Mobility platform coupling device and method for coupling mobility platforms |
Dec. 3, 2002 |
| 6467793 |
Gooseneck coupler |
Oct. 22, 2002 |
| 6390490 |
Quick connect tractor hitch coupling |
May. 21, 2002 |
| 6363629 |
Vehicle hitch mount assembly for a snow plow |
Apr. 2, 2002 |
| 6336683 |
Fixed platform self-propelled trailer dump |
Jan. 8, 2002 |
| 6224084 |
Trailer coupler |
May. 1, 2001 |
| 6193259 |
Mounting frame for use with three point hitch |
Feb. 27, 2001 |
| 6186532 |
Trailer coupler |
Feb. 13, 2001 |
| 6164681 |
Automatic hitch coupler |
Dec. 26, 2000 |
| 6113125 |
Ball hitch coupler |
Sep. 5, 2000 |
| 6095544 |
Fifth wheel hitch release |
Aug. 1, 2000 |
| 6047982 |
Hitch for agricultural implement |
Apr. 11, 2000 |
| 5997025 |
Self locking trailer hitch |
Dec. 7, 1999 |
| 5988666 |
Fifth wheel hitch release |
Nov. 23, 1999 |
| 5967541 |
Towing head |
Oct. 19, 1999 |
| 5951036 |
Adjustable coupler for a weight distributing trailer hitch apparatus |
Sep. 14, 1999 |
| 5938227 |
Winch driven ball joint hitch guidance system |
Aug. 17, 1999 |
| 5839759 |
Vehicle capture device |
Nov. 24, 1998 |
| 5727637 |
Hitch structure for work machine |
Mar. 17, 1998 |
| 5725234 |
Ball-type coupler for trailers and the like |
Mar. 10, 1998 |
| 5632501 |
Self-latching trailer coupler |
May. 27, 1997 |
| 5599035 |
Automatic boat to trailer latch |
Feb. 4, 1997 |
| 5580076 |
Automatic trailer hitch system |
Dec. 3, 1996 |
| 5553882 |
Snowmobile securement system |
Sep. 10, 1996 |
| 5497835 |
Coupling hook for the lower steering arms of a three-point attaching device of a tractor |
Mar. 12, 1996 |
| 5427399 |
Tractor hitch with lock |
Jun. 27, 1995 |
| 5413369 |
Latch mechanism for tractor hitches, farm gates or the like |
May. 9, 1995 |
| 5387070 |
Coupling system for motorized vehicles |
Feb. 7, 1995 |
| 5350077 |
Method and device for coupling a self-propelled truck with a carrying truck |
Sep. 27, 1994 |
| 5333888 |
Trailer hitch wedge |
Aug. 2, 1994 |
| 5288096 |
Self aligning hitch |
Feb. 22, 1994 |
| 5263734 |
Coupling device for attaching towable implements to a tractor |
Nov. 23, 1993 |
| 5261687 |
Automatic hitch assembly |
Nov. 16, 1993 |
| 5236215 |
Trailer hitch coupling guide |
Aug. 17, 1993 |
| 5193835 |
Boat retainer |
Mar. 16, 1993 |
| 5183284 |
Coupling mechanism |
Feb. 2, 1993 |
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