| 摘要 |
PROBLEM TO BE SOLVED: To provide a lock device for crime prevention capable of performing simple and positive crime prevention. SOLUTION: A receiving member 33 is fixed to a middle rail 20 of an outer sash 7. A hanging member 34 is detachably fixed to the support member 33. A frame 35 has a key means 36 fixed to the tip of an arm part 35b7. A key is inserted in the key means 36 and turned to screw a screw member 37 into the support member 33 and to press the frame 35 to an inner member 20a. The frame 35 abuts on a face 12b, and inner and outer sashes 6, 7 cannot be opened. COPYRIGHT: (C)2006,JPO&NCIPI
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