Fifth wheel

Details Fifth wheel Fifth wheel

1983-08-22

1986-01-28

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Articulated vehicle

B62D 5312

Patent

active

045667152

ABSTRACT:
Disclosed herein is a fifth wheel hitch having a set of jaws removably retained in a pocket on the underside of the bearing plate, replaceable by like jaws or jaws accommodating a different size kingpin. The hitch can be of forged aluminum, for on-highway or off-highway usage. A swinging jaw is pivotally connected to a fixed jaw, and has a lower closure finger contacted by the head of a properly elevated kingpin to close the jaws. The jaws are locked closed by a locking plunger actuated with full jaw closure, by means of a trigger release mechanism. The trigger and plunger are retracted by a slide cam having actuators extending from both sides of the hitch. Adjustment of the jaws for wear is from the hitch exterior, and effectual whether the hitch is coupled or uncoupled.

REFERENCES:
patent: 2663575 (1953-12-01), Ketal
patent: 2982566 (1961-05-01), Geerds
patent: 3002767 (1961-10-01), Gresko
patent: 3079175 (1963-02-01), Walther
patent: 3924909 (1975-12-01), Kent et al.
patent: 4447070 (1984-05-01), Inoue

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