Document Type and Number:
Japanese Patent JPH0331860
Kind Code:
B2
Abstract:
A double cylinder lock constructed with a single tailpiece driver and a clutch. The interior lock key can be extracted only when the lock bolt is retracted and not when the lock bolt is extended. The driver and clutch arrangement prevent either cylinder from becoming out of time, regardless of which cylinder is used to throw the bolt.
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Inventors:
DANIERU AARU BISUKOFU
Application Number:
JP8276079A
Publication Date:
May 08, 1991
Filing Date:
July 02, 1979
Export Citation:
Assignee:
DEKUSUTAA ROTSUKU CO
International Classes:
E05B17/04; E05B9/10
Next Patent: JPH0331861