Locks – Special application – For closures
Patent
1996-03-22
1997-08-12
Gall, Lloyd A.
Locks
Special application
For closures
68 1226, 70277, 70281, 70DIG41, 292144, 292DIG69, D06F 3914
Patent
active
056553943
ABSTRACT:
A security locking device for coin-operated commercial washers and dryers for articles of clothing, bed linen, and the like, prevents the theft of such articles during the operation of the appliance by locking the door of the appliance. The security locking device functions in cooperation with the coin box and the appliance controls.
REFERENCES:
patent: 3673824 (1972-07-01), Ripsco et al.
patent: 3784776 (1974-01-01), Asanuma
patent: 4549418 (1985-10-01), Hall
patent: 4663538 (1987-05-01), Cotton et al.
patent: 5172577 (1992-12-01), Gibson
patent: 5263344 (1993-11-01), Madison
patent: 5412825 (1995-05-01), Moon
patent: 5520026 (1996-05-01), Acklund
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