Hitch construction

Details Hitch construction Hitch construction

1978-07-19

1980-06-17

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Articulated vehicle

B60D 114

Patent

active

042080649

ABSTRACT:
The invention provides a hitch intended especially as a bumper hitch for automobiles and employing a pair of adjustable-length chains to connect the hitch to the bumper. The two chains are connected to the arms of a centrally-pivoted, two-armed lever and the lever pivot is moved backwards by a cam to tighten them simultaneously, with the lever pivoting to take up inequalities. The cam pivots about the lever pivot and engages a reaction member to produce the tightening movement, the cam having a "dead" position on tightening so that it will not move voluntarily out of that position. The hitches can be used in pairs on a transverse trailer-ball carrying bar which extends through the hitch bodies and also constitutes the reaction member for each hitch cam. The hitches are retained on the bar and slide freely thereon until the cam is moved to the tightened position, when it also locks the respective hitch in transverse position on the bar by its reaction engagement with the bar. The hitch body also has lugs to receive an automobile towing A-frame.

REFERENCES:
patent: 3547470 (1970-12-01), Parkhurst
patent: 4027894 (1977-06-01), Hawkins

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