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Class Information
Number: 280/463
Name: Land vehicles > Wheeled > Articulated vehicle > Plural or laterally adjustable connections > Angularly adjustable trailer tongue > With actuator
Description: Devices in which means are provided which operate to move the draft member from one adjusted position to another.

Sub-classes under this class:

Class Number Class Name Patents
280/464 Gearing 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8678422 Adjustable hitch device Mar. 25, 2014
8544867 Tow bar balance system Oct. 1, 2013
8414010 System and method for drawbar support Apr. 9, 2013
7949447 Steering system and method for train of wheeled vehicles May. 24, 2011
7513521 Suspended drawbar control with selectable operating modes Apr. 7, 2009
6443475 Movable drawbar control system Sep. 3, 2002
6273449 Tongue latch mechanism Aug. 14, 2001
5531468 Trailer articulation device Jul. 2, 1996
5152545 Trailer tow bar lift mechanism Oct. 6, 1992
5136828 Farm machine which detects an intermediate position of a connecting device Aug. 11, 1992
4770436 Adjustable position trailer hitch Sep. 13, 1988
4730974 Tilt trailer in particular for a road transport vehicle carrier Mar. 15, 1988
4552224 Hitch assembly for a tandem disc implement Nov. 12, 1985
4552374 Pulling hitch assembly Nov. 12, 1985
4508359 Automatic latch for draft member of bale handler Apr. 2, 1985
4346909 Transport mechanism for single and multiple unit pull type implements Aug. 31, 1982
4196917 Hydraulic lock for the swingable tongue of a towed machine Apr. 8, 1980
4123081 Beet harvester hitch Oct. 31, 1978
4050598 Bale wagon Sep. 27, 1977
4044906 Multiple round bale mover Aug. 30, 1977
4037395 Tractor pulled crop harvester Jul. 26, 1977
4019644 Large round bale handling apparatus Apr. 26, 1977
4019643 Hay carrying apparatus Apr. 26, 1977
3964559 Apparatus for applying tape marking material on road surfaces Jun. 22, 1976
3952895 Large round bale handling apparatus Apr. 27, 1976

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