| 摘要 |
PROBLEM TO BE SOLVED: To prevent a strap member 30 from being broken by a large impact force acting upon one end and the other end of the strap member 30 when a cover member 20 is released to a maximum open angle and the strap member 30 is placed in a stretched state in an image formation device including a long belt-like strap member 30 attached at one end to the housing and attached at other end to the cover member 20 and restricting the open angle of the cover member 20 to a prescribed maximum open angle.SOLUTION: One end and the other end of the strap member 30 have a tapered part 33 whose thickness is gradually reduced toward the middle side in the longitudinal direction of the strap member 30.SELECTED DRAWING: Figure 9 |
