SAFETY CLUTCH Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: driving clutch member is provided with hollow 3, flat 10, and radial projection 5 alternating in the periphery direction. The projection has dummy groove in its sides. Spring pushers 7 are received in grooves 6. The pushers are in contact with rollers 8 interposed between the projections on the clutch members to permit interaction with flats 10 and inner side of housing 11. The clutch members are spring-loaded one with respect to the other in the periphery direction by way of springs 4 arranged in hollows 3 provided between flats 10 on mutually facing sides of the clutch members. The clutch recovers its operational position when load decreases up to the nominal load or when damaged unit is changed. EFFECT: enhanced reliability. 2 dwg