| 摘要 |
PURPOSE:To make it possible to arbitrarily set an operational range and the position of an origin, by forming a track to the peripheral edge part of the plate body of a drive source side frame and arranging a position detector to the track in a detachable manner through a clamp member. CONSTITUTION:At first, each clamp part 23 is engaged with the stepped projection 22b of a base 22 in a slidable manner in such a state that a female screw part is set to the side of a boss 22a and a stepped member 15 having a disc 16 is inserted in the upper end part 12a of a shaft 12 in a rotatable manner. Next, in order to set the max. revolving range of a joint part 6, two among the clamp members 23 are arranged to a predetermined position and photointerruptors 18, 18 are fixedly mounted to said clamp members 23, 23 by screws 24 and, at the same time, each of the clamp members 23, 23 is fixedly engaged with the stepped projection 22b by the clamping force of the screw 24. Further, the positional adjustment of the origin the hole 16b provided to the disc 16 is performed and the stepped member 15 is fixed to the shaft 12 by a clamp screw 14. Thereafter, the positional adjustment of the remaining members 23 is performed. By this method, an operational range and the position of the origin can be arbitrarily set.
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