| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that fastening two parts by a screw causes a fall in static electricity resistance owing to the unstable fastening since resin washers are held and jointed between the parts so as to prevent the screw from slipping off in detaching the parts. SOLUTION: In the structure, two washers are piled up on one part upward, and penetrated by the screw, and the two parts are brought in contact with each other to prevent the screw from slipping off. One washer is fastened on the part in a state where the other washer is contained in the inside space. COPYRIGHT: (C)2007,JPO&INPIT
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