Deadbolt lock protector

Details Deadbolt lock protector Deadbolt lock protector

1981-10-01

1983-11-08

Wolfe, Robert L.

Locks

Operating mechanism

Key

70212, 70256, E05B 1300

Patent

active

044134924

ABSTRACT:
A deadbolt lock protector including an outer metal enclosure, covering the lock, and attached to the door by means of non-removable screws. Inside the enclosure is a pin, formed of non-magnetic material such as brass, held alongside the thumblatch of the lock, preventing it from turning. The pin is held in that position by brackets and underneath by a support member. This support member's attachment is pivotable, and a cable is attached to it, so that from a remote position, the cable may be pulled, allowing the pin to drop out of the enclosure, in turn allowing normal use of the lock by means of a key. An extender straddles the thumblatch, so that the thumblatch can be turned from the inside of the door. The narrow portion of the extender, however, which passes through the enclosure, is relatively weaker than the pin, so that when the pin is in place, and the extender is forced, the extender will break before the pin.

REFERENCES:
patent: 3563069 (1971-02-01), Ferrer
patent: 3643478 (1972-02-01), McPeake
patent: 3660996 (1972-05-01), Syvertson
patent: 3921423 (1975-11-01), Hollins
patent: 4064721 (1977-12-01), Morgan
patent: 4279137 (1981-07-01), Cook

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