Locks – Operating mechanism – Key
Patent
1976-04-28
1977-02-22
Wolfe, Robert L.
Locks
Operating mechanism
Key
70417, 70419, 70422, E05B 2904, E05B 6300
Patent
active
040085880
ABSTRACT:
A key operated rotary plug cylinder lock having rotary disc tumblers with a concentric cylindrical boss on one face of each disc tumbler projecting axially into internesting relation into a complemental cylindrical well or recess in the confronting face of the next adjacent disc tumbler. A lock-out pin mechanism to lock the plug against rotation when excessive rearward stress is exerted thereon, and a frangible lost motion coupling between the tumblers and the shell portion of the plug breakable upon excess torquing forces are also provided.
REFERENCES:
patent: 1228445 (1917-06-01), James
patent: 3587261 (1971-06-01), Berry
patent: 3848442 (1974-11-01), Mertaner
Miller Harry C.
Tickel, Jr. Herman Edward
Miller Harry C.
Tickel, Jr. H. Edward
Wolfe Robert L.
LandOfFree
Rotary plug cylinder lock construction does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rotary plug cylinder lock construction, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary plug cylinder lock construction will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-318044