SAFETY CLUTCH Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: inner clutch member has ring groove which separate the toothing into two parts. The inner side of the outer clutch member is provided with assembling grooves and grooves for receiving torsion shafts having levers with rollers. The levers are rigidly secured at the ends of the shafts in opposite directions. The rollers are in hollows of the toothings of the inner clutch member to provide shifting by one step. The limit torque is defined by the shape of the toothings and rigidity of the torsion shafts. EFFECT: enhanced reliability. 4 dwg