| 摘要 |
PURPOSE:To simply adjust levelness and to improve workability by supporting one of sliding members fitted to both the end parts of a supporting frame on which an optical part is fixed so as to adjust the vertical position of the member through an eccentric cam mechanism. CONSTITUTION:The levelness of a 1st supporting frame body part 51 is controlled by rotating a control member 56 while holding a control 56d under the loosened state of an undrawing member 51d. After completing the control of the levelness, the control member 56 is fixed by screwing the undrawing member 51d into the hole. Since the control of the levelness can be simply executed from the front or back of a copying machine, it is completely unnecessary to remove a contact glass and the workability can be extremely improved.
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