FREEWHEEL CLUTCH Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: clutch member 1 has cylindrical working surface; clutch member 3 embracing the former has eccentrically arranged working areas on its inner surface. Wedges 5 have arched radial lugs 6; tangents to their facing edges are placed at angle equal to or lower than 20 deg. to axis of symmetry of location of lugs. As counter-clockwise speed of clutch member 3 increases, lugs 6 disengage cylindrical surface of coupling member 1. EFFECT: uniform load distribution over arched lugs. 2 dwg