Patent ID: 6405963
Filing Date: 2002-06-18
Classification: B60R

Abstract:
An automatic seatbelt retractor comprising a winding shaft for winding and unwinding a seatbelt webbing and at least one pre-locking device for pre-locking the winding shaft against further rotation and for driving a main locking means for preventing a forward movement of a person secured by the seatbelt when the motor vehicle is subjected to rapid deceleration, the pre-locking device comprising an actuating device which actuates at least one securing component as a function of the extraction of a predetermined length of the seatbelt webbing from the winding shaft to hold the winding shaft in the pre-locking position, for actuation of the securing component by the actuating device a single intermediate element, which can be moved reversibly by the actuating device from a rest position into a locking position, is provided between the actuating device and the securing component, the securing component of the pre-locking device is a pawl associated with at least one vehicle-sensitive pre-blocking device, the vehicle-sensitive pre-blocking device comprising a carrier disc on which the intermediate element and the securing component are rotatably mounted, the actuating device and the intermediate element are lockable independently of one another in the locking position of the pre-locking device, and catch pins are provided on the carrier disc for securing the position of the actuating device and the intermediate element with respect to the carrier disc.