Seat belt retractor

Details Seat belt retractor Seat belt retractor

1995-09-01

1997-04-29

Darling, John P.

Winding, tensioning, or guiding

Reeling device

With spring motor

2423834, B60R 2242

Patent

active

056240864

ABSTRACT:
A vehicle seat belt retractor (10) includes a spool (170) on which seat belt webbing (16) is wound. The spool (170) is supported for rotation on hubs (102, 162). In a vehicle emergency, an actuator (230) rotates with the spool (170) and transmits force through first and second link arms (312, 314) to a belt webbing clamp mechanism (270) to block the withdrawal of belt webbing (16) from the retractor (10). In the event the primary belt locking mechanism (270) is unable to block the withdrawal of belt webbing (16) from the retractor (10), the spool (170) continues to rotate. The first link arm (312) moves relative to the second link arm (314) to enable the actuator (230) to continue to rotate, actuating a secondary belt locking mechanism (200, 178), without damaging parts of the retractor (10).

REFERENCES:
patent: 3074761 (1963-01-01), Ryan
patent: 3138405 (1964-06-01), Hanway
patent: 3467337 (1969-09-01), Putman
patent: 4350313 (1982-09-01), Adomeit
patent: 4899949 (1990-02-01), Meyer et al.
patent: 4928902 (1990-05-01), Tsuji
patent: 5029770 (1991-07-01), Tanaka et al.
patent: 5044575 (1991-09-01), Knabel et al.
patent: 5242213 (1993-09-01), Fohl
patent: 5460338 (1995-10-01), Hirata et al.
patent: 5485971 (1996-01-01), Nakaya et al.

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