Vehicle seat belt retractor

Details Vehicle seat belt retractor Vehicle seat belt retractor

1989-07-25

1990-05-29

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074A, 2421074B, B60R 2238, B60R 2240, B60R 2242

Patent

active

049289020

ABSTRACT:
A vehicle seat belt retractor comprises an emergency locking mechanism that responds to either rapid acceleration of the vehicle or rapid acceleration of the belt reel and a belt clamp that is actuated by a small rotation of the belt reel via a link that engages a ratchet wheel affixed to the belt reel. The link is moved into engagement with the ratchet wheel by camming action by a reel-locking pawl, which, in turn, is moved in response to activation of the emergency locking mechanism.

REFERENCES:
patent: 3504867 (1970-04-01), Stevenson
patent: 4241886 (1980-12-01), Maekawa et al.
patent: 4243185 (1981-01-01), Motonami et al.
patent: 4249708 (1981-02-01), Asano
patent: 4323204 (1983-04-01), Takada
patent: 4403751 (1983-09-01), Asano
patent: 4544112 (1985-10-01), Ziv
patent: 4687253 (1987-08-01), Ernst et al.

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