| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable, in a device having a plurality of rotation driving systems, when a reverse rotation with relatively small torque value against a forward rotation is required, a stop operation alternately till time for one of the plural systems to transfer to a stop state, that is, of a time constant for the transfer to the next operation with an instantaneous value (namely, brakeless time) after set rotation angle displacement from start of the reverse rotation and reception of a stop signal input while maintaining the reverse rotation of the other by switching the forward rotation of a motor for driving both the systems equally to reverse direction. SOLUTION: This clutch has a function to stop one of a plurality of rotation driving systems and to maintain reverse rotation of the other by employing a double clutch mechanism constituted by a mechanical method which can engage with a forward rotation and a reverse rotation for each of a plurality of rotation driving systems, and by using an electromagnetic clutch at the same time provided with a function to instantaneously realize axis fixing and axis free for each of the clutch axes.</p> |
