| 摘要 |
PROBLEM TO BE SOLVED: To provide an illegal unlocking preventive implement capable of positively preventing illegal unlocking from the outside to a double sliding lock mounted to a double sliding door. SOLUTION: The illegal unlocking preventive implement 19 for the double sliding lock 1 provided at the double sliding door 24, is provided with a fixing member 3 provided with a screw shaft 20 projected perpendicularly to a front face part 28 of a lock case 26, and fixedly mounted to the lock case 26; an illegal unlocking preventing member 22 having a hole 31 for inserting the screw shaft 20 of the fixing member 21 and covering a front face 17a and both side faces 17b or the front face 17a, both side faces 17b and an upper face 17c of a lowered locking/unlocking operating knob 17; and a pressing member 23 screwed with the screw shaft 20 to press and fix the illegal unlocking preventing member 22 to the lock case 26. COPYRIGHT: (C)2006,JPO&NCIPI
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