Locks – Operating mechanism – Key
Patent
1981-05-12
1983-09-20
Husar, Cornelius J.
Locks
Operating mechanism
Key
70371, E05B 906
Patent
active
044048254
ABSTRACT:
A stop disposed in the bottom of the shackle heel bore normally blocks movement of a pin holding the cylinder in the casing. Raising the stop when the lock is unlocked permits the pin to move away from the cylinder freeing the cylinder for replacement.
REFERENCES:
patent: 1824301 (1931-09-01), Russell
patent: 2141748 (1938-12-01), Hansen
patent: 3172279 (1965-03-01), Patriquin
patent: 3187525 (1965-06-01), Dies
patent: 3720083 (1973-03-01), Wellekens
patent: 3835675 (1974-09-01), Lippisch
patent: 3855824 (1974-12-01), Falk
patent: 3882699 (1975-05-01), Flack et al.
patent: 4138868 (1979-02-01), Richards
Dixon David
Krupicka William A.
Gall Lloyd A.
Hoopes Dallett
Husar Cornelius J.
Scovill Inc.
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