121-20 Clutch

The 121-[]-20 type has a open-type through shaft structure. The power is applied from the input hub, and is output constantly from the output shaft. Braking of output shaft is performed by the energization of brake in response to the current interruption of clutch. It is strongly resistant to a radial load with a wide bearing span that it can be used with high tension by mounting a V pulley or spur gear. Due to the through-shaft construction, both sides of the shaft can be used for output. Mechanism layout such as using both sides for branch drive, or mounting a detection disc to one side can be performed.