LOCK APPARATUS FOR EXTERNAL PART ON INTERNAL PART, ESPECIALLY FOR FIXING LINK SLEEVE OF CARDAN SHAFT OF FARM MACHINE ON POWER TAKEOFF SHAFT OF TRACTOR

摘要

PURPOSE: To provide a simple lock device by axially applying a lock ring to one end face of a control ring and moving the other end face to a position where it can be supported by a stopper. CONSTITUTION: One control ring 16 is provided as a detent mechanism, and the control ring 16 is guided on one stopper 19 axially supporting a lock ring 10 while radially protruding an inner peripheral surface 17 of the control ring 16 from an outer peripheral surface 18 of a connection sleeve at a lock position. At a detent position, the lock ring 10 is axially supported on one end face of the control ring 16, and the other end face of the control ring 16 itself is supported by the stopper 19.