BELTESINDRAGARE INGAENDE I ETT SEKERHETSBELTESSYSTEM

摘要

A webbing retractor in a safety seatbelt system, wherein the webbing is wound up by a take-up shaft through a biasing force and wherein the retractor is provided with a sensor for sensing the vibrations of the vehicle and a locking device actuated by the sensor to prevent the windup force of the take-up shaft from being applied to the webbing whereby pleasant fitness is obtained when the vehicle runs on a bad road.