Chain driven pretensioner and retractor

Details Chain driven pretensioner and retractor Chain driven pretensioner and retractor

1995-10-12

1998-11-24

Darling, John P.

Winding, tensioning, or guiding

Reeling device

With spring motor

A62B 3500, B65H 7548

Patent

active

058396861

ABSTRACT:
An apparatus (20, 400) comprising: first driven gear (402) operatively linked a spool of a retractor (20) to rotate the spool (24) in a direction of retraction to cause a seat belt (31) wound thereabout to retract; flexible first driving member (430, 432) having a front end (435) initially maintained out of engagement with the driven gear and pushed into engagement with the first driving member to cause same to rotate; second driving member (420) operatively linked to a rear end of the first driving member for pushing the first driving member into engagement with the driven gear thereby causing the driven gear to rotate.

REFERENCES:
patent: 4014479 (1977-03-01), Nilsson et al.
patent: 4381084 (1983-04-01), Fohl
patent: 4434953 (1984-03-01), Gemar et al.
patent: 4444010 (1984-04-01), Bendler
patent: 5505399 (1996-04-01), Schmid et al.

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