Patent ID: 8596567
Filing Date: 2013-12-03
Classification: B60R

Abstract:
1. A seatbelt retractor comprising: a housing which includes a pair of side wall portions; a take-up drum for winding a webbing which is rotatably supported by the pair of side wall portions therebetween and is urged in a webbing-take-up direction while the webbing is wound therearound; and a pretensioner mechanism portion which takes up the webbing by rotating the take-up drum in the webbing-take-up direction in case of vehicle collision, the pretensioner mechanism portion includes: the pinion gear body includes: wherein the one side wall portion includes a through hole into which the boss portion is rotatably fitted, and the cover plate includes a supporting hole in which the supporting portion is rotatably fitted, and when the cover plate is mounted to the one side wall portion, the boss portion and the supporting portion of the pinion gear body are rotatably supported by the through hole and the supporting hole, respectively.