CLUTCH FOR LIMITER TORQUE Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: clutch has hub 10 with grooves 18 arranged on its outer side and bushing 7 with hollows 22 on its inner side. The coupling members are made up as carriers 19 received in the grooves of the hub for permitting engaging with the hollows on the bushing. The carriers are spring-loaded with springs 38 and 39 through switching cams 32. The sides of the carriers that points in one tangent direction are provided with switching and working portions. The springs press the carriers in the direction opposite to that in which overturning moment acts when torque is transmitted. EFFECT: decreased wearing out. 9 cl, 3 dwg