Locking device for keyholes

Details Locking device for keyholes Locking device for keyholes

1976-08-06

1978-02-14

Wolfe, Robert L.

Locks

Operating mechanism

Key

70389, 70424, 70455, E05B 1100, E05B 1714

Patent

active

040731650

ABSTRACT:
A locking device comprised of a base plate secured about a keyhole and a cover plate pivotally disclosed thereon including locking means which can be disposed in aligned openings in the plates to selectively lock one to the other to either expose or cover the keyhole.

REFERENCES:
patent: 3298210 (1967-01-01), Nyborg
patent: 3711894 (1973-01-01), Walters
patent: 3968985 (1976-07-01), Nielsen

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