Magnetically operated switch lock and key therefor

Details Magnetically operated switch lock and key therefor Magnetically operated switch lock and key therefor

1975-07-28

1977-10-04

Gilliam, Paul R.

Locks

Operating mechanism

Using a powered device

70413, 70 57, 200 16D, 200 44, 335207, E05B 4700, H01H 2700

Patent

active

040517020

ABSTRACT:
The following specification describes a magnetically operated lock for a coaxial switch in which slide member is operated in opposite directions by a slide magnet in a key to connect an incoming coax line to either another coax line or to ground through a characteristic impedance termination.
The key has a configuration corresponding to the lock housing and when associated with the lock housing, automatically positions a plurality of spaced magnets in the key to operate a plurality of pins in opposite directions to unlock the slide. Removal or disengagement of the key from the lock housing enables the pins in the lock to engage the slide and lock the switch in either position to which it is operated.

REFERENCES:
patent: 1336306 (1920-04-01), Lohse
patent: 3025372 (1962-03-01), Benson
patent: 3602020 (1971-08-01), Kajita
patent: 3837195 (1974-09-01), Pelto
patent: 3837525 (1974-09-01), Kobayashi

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