TORQUE CLUTCH MECHANISM OF FASTENING TOOL

摘要

PROBLEM TO BE SOLVED: To provide a torque clutch mechanism of a fastening tool capable of stabilizing a rotation energization force to a ring gear. ! SOLUTION: A torque clutch mechanism of a fastening tool includes a third ring gear 42 having a locking protrusion part 63 to which a locking body can be locked. In the locking protrusion part 63 of the third ring gear 42, height in an energization direction of a clutch spring of each of surface parts 63a-63d is constant in a radial direction from a center O of the third ring gear 42. ! COPYRIGHT: (C)2015,JPO&INPIT