Patent ID: 8857750
Filing Date: 2014-10-14
Classification: B60R

Abstract:
1. A retractor/pretensioner apparatus of a seatbelt for a vehicle, comprising: a housing; a spool to which ends of a shoulder webbing and a wrap webbing are simultaneously connected and which is rotatably installed in the housing via a rotary shaft; a pinion coupled to one end of the rotary shaft; a first rack and a second rack slidably installed to the housing and engaged with the pinion respectively; a first gas generator fluid-connected to the first rack to provide gas to the first rack; and a second gas generator fluid-connected to the second rack to provide gas to the second rack; wherein the first and second gas generators have the same maximum amount of gas explosives and the first rack and the second rack moves at the same speed by operation of both of the first and second gas generators.