Easily mountable swingable-arm draw-pin retainer

Details Easily mountable swingable-arm draw-pin retainer Easily mountable swingable-arm draw-pin retainer

1980-05-27

1983-07-19

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Articulated vehicle

172677, 280477, 280504, 280507, 403317, B60D 102

Patent

active

043940315

ABSTRACT:
To prevent personal injury and property damage by accidental displacement of a hitch tow-pin, an easily mountable unit has an arm horizontally swingable to and from a position above the upper end of the conventional tow-pin of a clevis-type hitch. The pivot pin for the swingable arm can also serve as part of the unit's mounting structure by extending through a bore in, and anchored to, a draw bar. Or the pivot pin can be fixed to a sleeve slidable over a draw bar. Each species employs a detent device to prevent accidental arm movement away from its draw-pin-retaining position.

REFERENCES:
patent: 1501867 (1924-07-01), Sadler
patent: 2397964 (1946-04-01), Hiniker
patent: 2654613 (1953-10-01), Blair
patent: 2697618 (1954-12-01), Hulstedt
patent: 2794657 (1957-06-01), Anderson
patent: 3514820 (1970-06-01), Rogg
patent: 3774149 (1973-11-01), Bennett
patent: 3794357 (1974-02-01), Frye

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