Trailer coupler

Details Trailer coupler Trailer coupler

2006-03-28

2006-03-28

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S500000, C280S515000, C280S491500, C280S504000

Reexamination Certificate

active

07017935

ABSTRACT:
A ball hitch coupler for use with a towing vehicle having a ball hitch. The ball hitch coupler provides an improved and simplified structure designed to make assembly and coupling to the ball hitch easy, while not compromising coupler strength or security. The ball hitch coupler comprises a coupler housing having a ball hitch cavity, a locking passageway also located in the coupler housing, and a locking rod having a keyed section. The locking rod operates as a restraining mechanism to hold the ball hitch within the ball hitch cavity, thereby resulting in a secure coupling of the ball hitch with the ball hitch coupler. In addition, the locking rod, in conjunction with the locking passageway, also serves as a theft protection feature by operating as an inherent lock-key mechanism.

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patent: 6427496 (2002-08-01), Hurst
patent: 6644071 (2003-11-01), Gilbertson et al.
patent: 6698783 (2004-03-01), Zechbauer

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