CONNECTING LINK FOR ROUND-LINK HIGH-STRENGTH CHAIN Russian patent published in 1998 - IPC

FIELD: tractive members of machines, combine harvester ploughs, conveyers, etc. SUBSTANCE: connecting link includes C-shaped body, lock, locking unit consisting of retainer made in form of spring-loaded clamp and locking member made in form of axle. Lock is inserted in slots of body in such way that spring-loaded clamp should enter this slot resting against inner surface of body with shoulders resting against its end and hole of lock should be coaxial with cylindrical surfaces of clamp. Then axle is inserted in hole. Bearing surface of locking member opens spring-loaded clamp; after its center portion coincides with cylindrical surfaces of clamp, clamp is compressed keeping locking member in joint of lock with spring-loaded clamp. EFFECT: enhanced strength and reliability of connecting link; simplified procedure of manufacture. 3 dwg