Magnetic lock

Details Magnetic lock Magnetic lock

1975-12-05

1983-04-19

Dorner, Kenneth

Locks

Operating mechanism

Using a powered device

70413, E05B 4700, E05B 1926

Patent

active

043801625

ABSTRACT:
A magnetic lock wherein the movable portion is sandwiched between two stationary portions. The movable portion carries a plurality of transversely slidably movable magnets which serve as pin tumblers that fit into recesses or cavities in either stationary part to lock the movable member against movement. Fixed to one of the stationary parts are means for biasing the pin tumbler magnets toward the other stationary part whereby to hold the lock in unlocked condition. The key is placed adjacent the other stationary part and carries magnets poled to repel the pin tumbler magnets with an equal and opposite force to the biasing means to locate the pin tumblers wholly within the movable part so that the movable part may be moved. Preferably, at least two of the biasing means have different strengths for biasing the pin tumbler magnets.

REFERENCES:
patent: 1494765 (1924-05-01), Barrett
patent: 3270538 (1966-09-01), Kerr
patent: 3393541 (1968-07-01), Wake
patent: 3782147 (1974-01-01), Hallmann
patent: 3837195 (1974-09-01), Pelto

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