| 摘要 |
PROBLEM TO BE SOLVED: To provide a winding shaft for an opening/closing device, which facilitates a change in axial length. SOLUTION: The winding shaft for the opening/closing device is equipped with a shaft body 51a, and a winding pipe 51b which is rotatably supported around the shaft body 51a; and its axial range is divided into an urging area A, a driving bar area B and a length adjusting area C. The length adjusting area C is arranged between the urging area A and the driving bar area B, and composed of only the shaft body 51a and the winding pipe 51b around the shaft body. COPYRIGHT: (C)2010,JPO&INPIT
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