Trailer hitch lock

Details Trailer hitch lock Trailer hitch lock

1980-04-28

1981-09-29

Wolfe, Robert L.

Locks

Special application

For portable articles

280507, B60D 112

Patent

active

042915570

ABSTRACT:
An anti-theft device secured by sliding the device over a ball-connector type trailer hitch which automatically engages the hitch by means of a spring loaded bolt, to obstruct access by the ball and prevent unauthorized use of the trailer. The device is removed by retracting the bolt using only a conventional key. No tools or auxiliary parts are required to attach or remove this device.

REFERENCES:
patent: 3226133 (1965-12-01), Geresy
patent: 3410580 (1968-11-01), Longenecker
patent: 3492023 (1970-01-01), Thompson
patent: 3526110 (1970-09-01), Foote
patent: 3780546 (1973-12-01), Longenecker
patent: 3810664 (1974-05-01), Nonnink

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