Patent ID: 6863308
Filing Date: 2005-03-08
Classification: B60R

Abstract:
1. An automotive vehicle occupant protection system, comprising: a seat supported on a floor of a vehicle body; a seat belt provided in association with said seat and including a moveable end; an actuator connecting said moveable end of said seat belt to a part of said vehicle body via wire to selectively remove a slack from said seat belt; and a control unit including a deceleration sensor for activating said actuator upon detection of a frontal vehicle crash meeting a prescribed condition; and a flywheel functionally attached to a rotary shaft having a smaller diameter than said flywheel, said wire having a first end connected to a working end of said actuator, an intermediate part directly wound around said rotary shaft, and a second end attached to said moveable end of said seat belt, thereby amplifying an inertia effect of the flywheel.