Cuff lock and push-button locking mechanism

Details Cuff lock and push-button locking mechanism Cuff lock and push-button locking mechanism

2005-06-14

2005-06-14

Walsh, John B. (Department: 2151)

Locks

Portable

Fetters

C070S386000, C070S491000, C070S404000

Reexamination Certificate

active

06904775

ABSTRACT:
The invention provides a pair of cuff locks joined by a universal joint and linkage system which provides for 360 relative rotation between the cuffs as well as allow the cuffs to be folded together into a compact position. The invention further provides for a push button cylinder lock which includes a rotatable plug and a fixed plug each having a plurality of aligned bores for receiving one or more tumbler pins. The push button cylinder lock further includes a non-rotatable push button shaft which is sildably mounted within the housing. One or more retaining pins engage locking indents of the push button shaft.

REFERENCES:
patent: 2687032 (1954-08-01), Craig
patent: 3420077 (1969-01-01), Drazin
patent: 3509748 (1970-05-01), Trainor
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patent: 4069696 (1978-01-01), Steinbach
patent: 4180996 (1980-01-01), Lebrecht
patent: 5133203 (1992-07-01), Huang
patent: 5447049 (1995-09-01), Shieh
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patent: 5921118 (1999-07-01), Yuan
patent: 6463774 (2002-10-01), Sokurenko
patent: 6564602 (2003-05-01), Gregory
patent: 6644078 (2003-11-01), Hung
patent: 6782725 (2004-08-01), Linares
patent: 214843 (1993-10-01), None
patent: 297445 (1997-02-01), None
patent: 320204 (1997-11-01), None

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