SAFETY FRICTION CLUTCH Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: driving clutch part 1 and driven clutch part 2 are interconnected through friction disk 3. Pressing disk 4 is mounted on the driving clutch part for permitting axial movement. The pressing out and pressing in units have rotation bodies received in sockets of variable depth. The working surfaces of the sockets are made up as adjacent central and periphery portions. The angle between the side surface of the central portion and axial plane of the clutch, which passes through the center of a rotation body, is defined by a relationship presented in the invention description. EFFECT: enhanced reliability. 2 dwg