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Class Information
Number: 280/462
Name: Land vehicles > Wheeled > Articulated vehicle > Plural or laterally adjustable connections > Angularly adjustable trailer tongue
Description: Devices in which the trailing vehicle is provided with a draft tongue or bar which may be selectively adjusted to vary the fixed horizontal angularity between the tongue and trailing vehicle.










Sub-classes under this class:

Class Number Class Name Patents
280/463 With actuator 25


Patents under this class:

Patent Number Title Of Patent Date Issued
8684412 Collapsible trailer Apr. 1, 2014
8678422 Adjustable hitch device Mar. 25, 2014
8544867 Tow bar balance system Oct. 1, 2013
8448972 Towing device for an all-terrain vehicle May. 28, 2013
8226106 Trailer hitch with adjustable hitch bar Jul. 24, 2012
8146941 Collapsible trailer Apr. 3, 2012
7909349 Method and assembly for drawbar retention Mar. 22, 2011
7625003 Tractor drawbar assembly Dec. 1, 2009
7255362 Tiltable trailer hitch Aug. 14, 2007
6357779 Hitch assemblies for connecting a trailer to a tow vehicle Mar. 19, 2002
6042137 Height adjustable trailer hitch Mar. 28, 2000
5265403 Draft tongue for connecting PTO-driven implement to draft links of a towing vehicle Nov. 30, 1993
5151005 Can collection apparatus Sep. 29, 1992
4768803 Jointed tow bar Sep. 6, 1988
4662646 Trailing mower and drawbar articulation May. 5, 1987
4564073 Plow or harrow Jan. 14, 1986
4484759 Hitch assembly for a single wheel trailer Nov. 27, 1984
4455034 Transport device for pull-type swathers and the like Jun. 19, 1984
4418516 Transport lock actuator Dec. 6, 1983
4418517 Actuating mechanism for harvester transport lock Dec. 6, 1983
4418518 Mechanism for spring loading a transport lock Dec. 6, 1983
4078819 Apparatus for facilitating lateral shifting of baler tongue Mar. 14, 1978
3982772 Apparatus for turning compost silo Sep. 28, 1976
3977166 Side delivery rake Aug. 31, 1976











 
 
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