Patent ID: 7178372
Filing Date: 2007-02-20
Classification: E05B,Y10S,Y10T

Abstract:
1. A combination comprising: a spindle comprising a longitudinal hole, a guiding groove being defined in a circumference delimiting the longitudinal hole and extending along a circumferential direction; and a locking button comprising a grip portion for manual turning and a shank that is mounted in the longitudinal hole of the spindle, the shank comprising a substantially U-shaped slot in an outer circumference thereof to form a tongue-like coupling section that is surrounded by the U-shaped slot and that is flexible in a radial direction of the locking button, the coupling section including a protrusion engaged in the guiding groove and being movable between two end walls delimiting the guiding groove, allowing the locking button to be movable between a locking position and an unlocking position.