Coin-operated locking device

Details Coin-operated locking device Coin-operated locking device

1977-02-10

1978-03-21

Tollberg, Stanley H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

194 65, G07F 1712

Patent

active

040798232

ABSTRACT:
To improve the reliability and simplify the construction of a coin-operated locking device, and the associated key, a release element extending into a coin chute is formed as a double-armed lever, one arm of the lever being engageable by an inserted key and the other arm engaging a cylinder, or other locking element, to permit release of the locking element and operation thereof when a key tips the lever; the lever is located at a zone of the lock which is not normally engaged by a key, a master key, however, with an extension, permitting engagement of the other arm of the lever and thus also release the lock without insertion of a coin.

REFERENCES:
patent: 1924533 (1933-08-01), Babson
patent: 3976178 (1976-08-01), Koch et al.

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