| 摘要 |
PURPOSE:To stop the titled unit at an intermediate position irrespective of forward and backward directions, and to execute its positioning by utilizing a heart type cam. CONSTITUTION:A turning cylinder 8 is fixed to a bracket body, and positioning in the forward direction and the backward direction is determined by the first stopper 9 and the second stopper 10. A rotation of the turning cylinder 8 is transmitted to a shaft 14 to which a heart type cam 15 has been attached. A working part 16 is enter a dent of the heart type cam 15, by which the rotation of the cam is stopped, and an intermediate position stop is executed.
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