| 摘要 |
PROBLEM TO BE SOLVED: To provide a belt tension adjustment device capable of preventing a generation of a core deviation of a rotation shaft of an electric motor with legs even if a tension adjustment is carried out by sliding the electric motor on a support base. SOLUTION: A stationary bracket 4 at one end of a belt adjustment tool 1 is fixed to a frame body 10 and an electric motor pressing roller 3 at the other end is contacted with leg parts 12A, 12B. A grasp part 2A is rotated to increase a whole shaft length of the belt adjustment tool 1. Thereby, it is prevented that the electric motor 5 with legs is turned by a tension of a belt 8.
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