Fifth wheel hitch

Details Fifth wheel hitch Fifth wheel hitch

2011-03-01

2011-03-01

Winner, Tony H. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

Reexamination Certificate

active

07896383

ABSTRACT:
A fifth wheel hitch assembly is provided for use with a kingpin, the hitch assembly including a hitch frame including a throat for receiving the kingpin therein, a jaw member pivotally coupled to the hitch frame and moveable between an open orientation and a closed orientation, and a locking arm having a cooperative relationship with the jaw member. One of the jaw member and locking arm defines a guide surface and another of the jaw member and locking arm includes a follower configured to traverse the guide surface, traverse of the follower along a guide segment of the guide surface directing rotation of the jaw member between the open orientation and the closed orientation, and traverse of the follower along a lock segment directing releasable locking of the jaw member in the closed orientation.

REFERENCES:
patent: 2784984 (1957-03-01), Sherman
patent: 2977137 (1961-03-01), Durham
patent: 5456484 (1995-10-01), Fontaine
patent: 5516137 (1996-05-01), Kass et al.
patent: 6095544 (2000-08-01), Flater
patent: 6726234 (2004-04-01), Lund
patent: 7182362 (2007-02-01), Yeakel
patent: 7240913 (2007-07-01), Kahrs et al.
patent: 2004/0145150 (2004-07-01), Yeakel
patent: 2006/0103109 (2006-05-01), Flater
patent: 2006/0220344 (2006-10-01), Kahrs et al.
patent: 2007/0194555 (2007-08-01), Roberts et al.

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