Patent ID: 7428836
Filing Date: 2008-09-30
Classification: E05B,Y10T

Abstract:
1. A door lock, comprising: a support seat having a mediate portion formed with a recess; a driven member rotatably mounted in the recess of the support seat; a control knob mounted on a first portion of the support seat and including a first drive member rotatably mounted in the first portion of the support seat and secured to a first portion of the driven member to rotate the driven member, and a rotation member mounted on the first drive member to rotate the first drive member and having an outer wall formed with an annular groove and an axially extending locking groove connected to the annular groove; a locking pin mounted in the first portion of the support seat and having a locking end selectively extended into the annular groove or the locking groove of the rotation member of the control knob.