Trailer hitch lock

Details Trailer hitch lock Trailer hitch lock

1996-06-26

1998-05-19

Lindsey, Rodney M.

Locks

Special application

For portable articles

70258, 70 14, 280507, E05B 6900

Patent

active

057523983

ABSTRACT:
An anti-theft device is provided which, when used on a trailer coupler, locks on to the trailer coupler and covers the receptacle of the coupler, thereby preventing the insertion of a hitch ball or other towing means into the receptacle. Locking engagement is achieved by a retaining member being moved and held in a position inside the receptacle of the coupler by the operation of a lock housed in the body of the anti-theft device. In another embodiment of the invention locking engagement is achieved by the retaining member being moved to a position inside the coupler receptacle through operation of a lever independent of the retaining member and being held in such position through operation of a lock housed in the body of the anti-theft device. No tools or auxiliary parts are required to attach or remove the device.

REFERENCES:
patent: 3410580 (1968-11-01), Longnecker
patent: 3780546 (1973-12-01), Longenecker
patent: 3977221 (1976-08-01), Foote
patent: 4291557 (1981-09-01), Bulle et al.
patent: 4581908 (1986-04-01), Bulle et al.
patent: 4774823 (1988-10-01), Calison

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