PROTECTIVE CLUTCH Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: bushing is interposed between driving clutch part made of input shaft and driven clutch part made of output shaft. The bushing is coupled with the shaft via a screw connection and with the shaft via slots and spring-loaded with respect to an adjusting nut in axial direction. Faces of a case and faces of flange of the bushing that face the case are provided with cam coupling members. When overloading the bushing moves in axial direction relatively the shafts and engages with one or another cams of the case depending on direction of rotation. The input shaft stops. EFFECT: enhanced reliability. 3 cl, 4 dwg