Seat belt force measurement arrangement for measuring the force applied to a belt in order to optimize belt and air bag activation in an accident comprises a spring fixed at both ends with associated signaler and sensor

摘要

Belt force measurement arrangement has a measurement spring (19) the expansion of which is a measure for the force applied to the belt. A signaler is attached to one support end of the spring, while a sensor is attached to the support end. The measurement spring extends between the two supports in a manner that is proportional to the applied force.