| 摘要 |
PROBLEM TO BE SOLVED: To provide a fixture for preventing unreasonable force form being applied to a lock box, even if an installation screw is screwed in by strong force, in a lock for fixing a thumb-turn seat to an indoor side door surface, by pulling a cylinder block incorporated with a cylinder lock from the indoor side by the installation screw. SOLUTION: This fixture has a block body 15 penetrated in the door thickness direction through an insertion hole of the installation screw, by forming a fitting part 16 to the lock box on one end. A shape dimension of the block body is set so that the other end of the block body 15 abuts on an inner surface of an indoor side plate material of a door, when inserted into a door inside space from the free side edge of the door 1. COPYRIGHT: (C)2006,JPO&NCIPI
|
