Lock device

Locks – Special application – For closures

Reexamination Certificate

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Details

C070S218000, C070S222000, C070S472000, C292S169220, C292SDIG027, C292SDIG061

Reexamination Certificate

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08079238

ABSTRACT:
A lock device includes an actuating lever pivotally engaged in a lock housing for actuating a deadbolt of a latch device, two rotary mechanisms pivotally engaged in the housing and each having a rotary member pivotally engaged in a casing for coupling to an outdoor handle and an indoor handle, and the rotary member of one of the rotary mechanisms is secured to the casing for allowing the rotary member and the casing of the rotary mechanism to be rotated relative to the lock housing with the indoor handle only, and for preventing the outdoor handle from being brutally rotated by the unauthorized persons and for preventing the lock device from being destroyed or damaged by the unauthorized persons.

REFERENCES:
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patent: 6354121 (2002-03-01), Frolov
patent: 6543264 (2003-04-01), Frolov
patent: 6581423 (2003-06-01), Lin
patent: 6619705 (2003-09-01), Dalsing
patent: 6622535 (2003-09-01), Chiang et al.
patent: 7698918 (2010-04-01), Geringer et al.
patent: 2008/0011030 (2008-01-01), Ferreira Sanchez et al.

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