SEAT BELT RETRACTOR AND SEAT BELT DEVICE

摘要

To provide a seatbelt retractor and a seatbelt device that can suppress the occurrence of abnormal noise. A seatbelt retractor 1 includes a spool 2 that retracts webbing configured to restrain an occupant, a base frame 3 that houses the spool 2 rotatably, and a lock mechanism 4 that restricts rotation of the spool 2. The lock mechanism 4 includes a locking base 41, a pawl 42, a pawl spring 43, and a lock gear 44. The pawl 42 includes a first restraint portion 42a that restrains movement of the pawl 42 in one rotating direction of the spool 2 while being located inside an outer periphery of the locking base 41, and a second restraint portion 42b that restrains the movement of the pawl 42 in an opposite rotating direction of the spool 2 while the movement is retrained by the first restraint portion 42a.

主权项

1. A seatbelt retractor comprising: a spool that retracts webbing configured to restrain an occupant; a base frame that houses the spool rotatably; and a lock mechanism that restricts rotation of the spool,
wherein the lock mechanism includes a locking base disposed in an end portion of the spool, a pawl disposed to protrude outward from an outer periphery of the locking base, a pawl spring that biases the pawl inward relative to the locking base, and a lock gear disposed coaxially with the locking base to rotate relative to the locking base, and wherein the pawl includes a first restraint portion that restrains movement of the pawl in one rotating direction of the spool while being located inside the outer periphery of the locking base, and a second restraint portion that restrains the movement of the pawl in an opposite rotating direction of the spool while the movement of the pawl is retrained by the first restraint portion.