Door lock with transmission mechanism

Details Door lock with transmission mechanism Door lock with transmission mechanism

2008-10-19

2011-11-22

Barrett, Suzanne (Department: 3673)

Locks

Special application

For closures

C070S108000, C070S109000, C292S035000

Reexamination Certificate

active

08061166

ABSTRACT:
A door lock with transmission mechanism, in which a main lock is installed at the side of the door, and an auxiliary lock is installed at each side of the main lock respectively, whereof the main lock has a main lock-tongue, and each of the two auxiliary lock has an auxiliary lock-tongue, whereby the main lock-tongue drives the auxiliary lock-tongue in each of the two auxiliary locks to move together corresponding to the rotation of door handle.

REFERENCES:
patent: 536957 (1895-04-01), Klein
patent: 4218903 (1980-08-01), Eads
patent: 6266981 (2001-07-01), von Resch et al.
patent: 6327881 (2001-12-01), Grundler et al.
patent: 6389855 (2002-05-01), Renz et al.
patent: 7856857 (2010-12-01), Tsai
patent: 2002/0104339 (2002-08-01), Saner

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