Winding – tensioning – or guiding – Reeling device – With spring motor
Patent
1996-02-09
1997-12-02
Jillions, John M.
Winding, tensioning, or guiding
Reeling device
With spring motor
B60R 22415
Patent
active
056926979
ABSTRACT:
A seat belt webbing retractor (10) has a spool sleeve (24) about which seat belt webbing (30) is wound. The spool sleeve (24) is rotatable in webbing withdrawal and webbing retraction directions (A and B). A ratchet wheel (26) is fixed for rotation with the spool sleeve (24). A movable pawl (34) has a blocking position for blocking the ratchet wheel (26) and the spool sleeve (24) against rotation in the webbing withdrawal direction (A). The pawl (34) also has a release position for permitting rotation of the ratchet wheel (26) and the spool sleeve (24) in the webbing withdrawal direction (A). A ring gear (96) moves from an initial position to an end position during rotation of the spool sleeve (24) and the ratchet wheel (26) in the webbing withdrawal direction (A). A lever (46) moves from a first position to a second position when the ring gear (96) arrives at the end position to cause movement of the pawl (34) automatically from the release position to the blocking position. An arm (56) on the lever (46) holds the ring gear (96) in a predetermined location relative to the lever during assembly of the retractor.
REFERENCES:
patent: 4565338 (1986-01-01), Takada
patent: 4597546 (1986-07-01), Yamamoto et al.
patent: 4726539 (1988-02-01), Schmidt et al.
patent: 4809926 (1989-03-01), Koike
patent: 5080299 (1992-01-01), Gray et al.
patent: 5367917 (1994-11-01), Hishon
patent: 5520349 (1996-05-01), Kapanka et al.
Boelstler Richard A.
Eaton Deborah L.
Jillions John M.
TRW Vehicle Safety Systems Inc.
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