Lock mechanism for fifth wheel hitch

Details Lock mechanism for fifth wheel hitch Lock mechanism for fifth wheel hitch

1996-07-31

1998-11-24

Boehler, Anne Marie

Land vehicles

Wheeled

Articulated vehicle

2804381, 280510, B62D 5310, B62D 5312

Patent

active

058397450

ABSTRACT:
The lock mechanism for a fifth wheel hitch of the present invention includes a housing mounted on a pedestal, the housing having a hitch plate mounted on the upper end thereof. The hitch plate slot, for receiving a trailer pin, is mounted over a channel extending forwardly in the housing, such that the trailer pin will extend downwardly into the channel and slide along the channel bottom and between the channel side walls. A hook member is pivotally mounted on the housing and selectively projects through an opening in one side wall of the channel such that a hook arm retains the trailer pin in position in the channel. A handle mounted on the hook member to manually move the hook member between the engaged and disengaged positions. A lock plate is pivotally mounted to the housing and includes a throat with a first catch for retaining the handle in the disengaged position, and a second catch for retaining the handle in the engaged position.

REFERENCES:
patent: 2471854 (1949-05-01), Bies et al.
patent: 2590962 (1952-04-01), Gurton
patent: 2811374 (1957-10-01), Fuschi
patent: 2985463 (1961-05-01), Geerds
patent: 3275340 (1966-09-01), Sancioni
patent: 3565459 (1971-02-01), Reid
patent: 4960288 (1990-10-01), Chambers

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