Patent ID: 9132802
Filing Date: 2015-09-15
Classification: B60R

Abstract:
1. A seatbelt device for a reclining seat of a vehicle, the seatbelt device comprising: a seatbelt retractor attached to a seat back of the reclining seat and configured to wind up a seatbelt when necessary; and a cable advancing/retracting mechanism disposed at a coupling portion at which the seat back and a seat cushion of the reclining seat are coupled to each other and configured to detect an inclination angle of the seat back when the seat back is tilted in a front-back direction of a vehicle, the cable advancing/retracting mechanism including a cable configured to transmit the inclination angle to the seatbelt retractor and advance and retract in a longitudinal direction of the cable over a distance corresponding to the inclination angle of the seat back, the seatbelt retractor including: the acceleration sensor including: the attitude control mechanism including: a turning axis of the rotary member and the swing axis of the sensor housing intersect each other at a predetermined angle with respect to the left-right direction of the vehicle with the swing axis of the sensor housing arranged in a horizontal direction with respect to the left-right direction of the vehicle, the inertial element support surface of the sensor housing is kept horizontal by swing motion of the sensor housing in the front-back direction of the vehicle even if the seat back is tilted in the front-back direction of the vehicle, a rotational track surface of the rotary member and a rotational track surface of the sensor housing are non-parallel with each other, and a compensation unit is provided between the cable advancing/retracting mechanism and the attitude control mechanism, the compensation unit being configured to compensate for a deviation in rotational angle caused by such non-parallelism between the two rotational track surfaces when the rotation transfer mechanism transmits rotation from the rotary member to the sensor housing.