SAFETY CAM CLUTCH Russian patent published in 2013 - IPC F16D7/04 

FIELD: machine building.

SUBSTANCE: safety cam clutch includes drive and driven semi-clutches installed on shafts and provided with engagement elements in the form of cams on the surfaces facing each other and a semi-clutch disengagement mechanism when limit torque is exceeded. One of the semi-clutches is installed with possibility of axial movement. Semi-clutch disengagement mechanism is made in the form of springs. The clutch is equipped with a cover plate fixed on the driven semi-clutch. The cover plate and the driven semi-clutch have engagement elements on the surfaces facing each other, and the springs are of wave type and installed between surfaces of the driven and drive semi-clutches, which face each other, and surfaces of the cover plate and the driven semi-clutch. Crests of wave-type springs are located in cavities between cams with formation of a gap between the surfaces passing through the top of cams.

EFFECT: higher reliability of the device.

2 cl, 2 dwg