Combined mechanical and magnetic locking system

Details Combined mechanical and magnetic locking system Combined mechanical and magnetic locking system

1984-09-17

1986-12-09

Wolfe, Robert L.

Locks

Operating mechanism

Using a powered device

70364A, 70419, E05B 2706, E05B 4700

Patent

active

046272518

ABSTRACT:
In a locking system, a combination of mechanical tumblers which are moved into a release position by the shape of the key and at least one magnetic tumbler which is drawn into the release position by a visually nondiscernible magnet placed on the key. The lock style being standard in that it includes inner and outer cylinders wherein the inner cylinder rotates between an open and locked position. In an alternate embodiment of the subject invention, an additional tumbler made from a magnetically attractible material is placed in the cylinders and biased to the open position. Should the key being used to open the lock contain a magnet substantially adjacent to this additional magnetic tumbler, the tumbler will be drawn to the locked position thereby preventing the rotation and opening of the inner cylinder.

REFERENCES:
patent: 3416336 (1968-12-01), Felson
patent: 3512382 (1970-05-01), Check
patent: 3837194 (1974-09-01), Fish

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