QUADRANT FREEWHEEL CLUTCH Russian patent published in 1998 - IPC

FIELD: clutches. SUBSTANCE: clutch has external and internal casings and set of spring-loaded wedging mechanisms uniformly arranged between them. Internal casing has sections with convex curvilinear surface; each wedging mechanism is built up of double-arm lever, quadrant contacting inner surface of external casing for sliding over it, and spring; mentioned quadrant is hinged to mentioned lever. End of first arm of this lever comes in contact with surface of internal casing that has sections with curvilinear surface; end of second arm of lever is linked with internal casing through shackle; mentioned quadrant comes in contact with inner surface of external casing under action of mentioned spring. EFFECT: improved rate of engagement of clutch, its loading capacity, service life, and reliability. 1 dwg