| 摘要 |
PROBLEM TO BE SOLVED: To prevent a defective operation with time in a lock device. SOLUTION: The lock device includes a fixing board 17 to be fixed on the rear surface of a front frame; a guide board 18 which is integrated with the fixing board 17 and substantially perpendicularly erected with respect to the rear surface of the front frame, and where a part at the side of the contour vertical line of the front frame is defined as a front side; a lock main body 22 attached to the fixing board 17 at the front side of the guide board 18; a flat first engagement pawl member 25 having a structure slidable from a lock position to an unlock position along the guide board 18 at the front side of the guide board 18 after the operation of the lock main body 22 and including an engagement pawl 20 for locking the front frame; and a planar second engagement pawl member 30 having a structure slidable from the lock position to the unlock position along the guide board 18 at the front side of the guide board 18 and including an engagement pawl 35 for locking a glass frame. The first and second engagement pawl members 25, 30 are arranged at the front side of the guide board 18 in a state where the members are disposed, so as to allow the mutual board surfaces not to be substantially superimposed. COPYRIGHT: (C)2005,JPO&NCIPI
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