WEDGE-TYPE FREE-WHEEL CLUTCH Russian patent published in 2000 - IPC

FIELD: pulse-operated variable- speed drives; unidirectional transmission of useful torque. SUBSTANCE: clutch has shell, cam mounting intermediate ring kinematically coupled with shell, spring-loaded wedge incorporating composite parts and placed in wedge cavity between intermediate ring and shell. Composite parts of wedge are made in the form of discrete components placed in separator and supported by toothed surfaces made on intermediate ring and on shell; intermediate ring is mounted for additional motion towards cam travel. EFFECT: improved loading capacity, enlarged range of torque transmitted. 2 dwg