Seat belt retractor

Details Seat belt retractor Seat belt retractor

2007-05-04

2009-12-15

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With spring motor

C280S807000

Reexamination Certificate

active

07631831

ABSTRACT:
A seat belt device is provided where a pretensioner moves a ball train to the distal end side of a ball guide pipe by means of gas discharged from a gas generating device, and the movement rotates the spool for winding the seat belt in a belt winding direction so as to eliminate slack of the seat belt, while imparting necessary tension to the seat belt by loading rotational resistance on the spool in a belt withdrawing direction with gas pressure exerted on the ball train. The ball stopper stops movement of the ball train before all the balls in the ball train are ejected from the ball guide pipe in a state where the ball train functions to rotate the spool in the belt winding direction.

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patent: 2005-306111 (2005-11-01), None
patent: WO 2005/080150 (2005-09-01), None

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