Trailer hitch

Details Trailer hitch Trailer hitch

2008-10-20

2010-10-05

Morris, Lesley (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S506000

Reexamination Certificate

active

07806425

ABSTRACT:
A trailer hitch having a retaining latch bolt to reduce shaking includes a locking head, a bolt seat, a retaining element, a latch bolt and an elastic element. The retaining element has a first directing rib to be rapidly positioned in a first bolt aperture of a first coupling member. The bolt seat has a positioning rib anchored in a second bolt aperture of a second coupling member to facilitate coupling of the first coupling member and the second coupling member. Hence the latch bolt can be coupled easily and adjustment of coupling tolerance can be performed as desired. Locking can be done to thwart pilferage of the trailer. And the latch bolt can be held firmly without sliding or shaking.

REFERENCES:
patent: 4711106 (1987-12-01), Johnson
patent: 6334561 (2002-01-01), Cole
patent: 6364339 (2002-04-01), Lee
patent: 6402181 (2002-06-01), Lee
patent: 6409203 (2002-06-01), Williams
patent: 6575000 (2003-06-01), Li
patent: 6672115 (2004-01-01), Wyers
patent: 6733029 (2004-05-01), McCoy et al.
patent: 6773200 (2004-08-01), Cole
patent: 6829915 (2004-12-01), Li
patent: 6913413 (2005-07-01), Yang
patent: 6945550 (2005-09-01), Williams
patent: 7338065 (2008-03-01), Clausen

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