Coin operated lock

Details Coin operated lock Coin operated lock

1977-09-19

1978-12-26

Tollberg, Stanley H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

G07F 104

Patent

active

041311914

ABSTRACT:
In a two coin operated lock unit having a coin operated patron key lock adapted to effect locking of a cabinet door, the improvement featuring the utilization of a coin selector adapted to adjustably accommodate the lock for operation by coins of differing denomination.

REFERENCES:
patent: 3613855 (1971-10-01), Stackhouse et al.
patent: 3938640 (1976-02-01), Stackhouse et al.

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