OVERRUNNING ROLLER CLUTCH Russian patent published in 2004 - IPC

FIELD: mechanical engineering; pulse transmissions. SUBSTANCE: proposed clutch includes outer circular holder, sprocket with sintered-carbide tips, cylindrical rollers pressed by springs through pushers and jaws holding the rollers. Said jaws are fixed by hold-down rings. Novelty of invention consists in position of sintered- carbide tips secured in sprocket and in form of side surfaces of tips engageable with sprocket which are taper in shape. Flexible members may be made in form of inserts manufactured from high-molecular materials which are secured to sprocket and sintered-carbide tip by means of adhesive. Flexible members may be also made in form of springs fitted in cylindrical holes in sprocket. EFFECT: avoidance of dynamic loads in case of seizing of clutch; enhanced durability. 3 cl, 5 dwg