Patent ID: 6883742
Filing Date: 2005-04-26
Classification: B60R

Abstract:
1. A webbing retractor comprising: a take-up shaft taking-up a webbing in a form of a roll by urging force; an inertia plate provided integrally and coaxially with an axial end side of the take-up shaft; and an inertial force imparting mechanism, wherein in a case in which a webbing for restraining a vehicle occupant is suddenly pulled-out, the take-up shaft unwinds the webbing, and the inertia plate causes a rotational delay with respect to the take-up shaft, and rotation of the take-up shaft in a webbing pull-out direction is thereby locked, and the inertial force imparting mechanism one of suppresses and deters rotation of the inertia plate in a webbing take-up rotation direction by directly contacting and directly applying an inertial force to the inertia plate in a webbing pull-out rotation direction when said inertia plate attempts to rotate in a webbing take-up direction due to inertial force even after rotation of the take-up shaft in the webbing take-up rotation direction has stopped when a vehicle occupant cancels an applied state of the webbing and an entire amount of the webbing is taken-up onto the take-up shaft by the urging force.