Automatic locking retractor mechanism with unitary pawl control

Details Automatic locking retractor mechanism with unitary pawl control Automatic locking retractor mechanism with unitary pawl control

1980-02-29

1982-01-05

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3500, B65H 7548

Patent

active

043090010

ABSTRACT:
An emergency locking safety seat belt retractor for restraining passengers in a vehicle has a seat belt wound upon a spool biased toward a fully wound condition, a pawl and ratchet means operable in response to vehicle deceleration to lock the spool against belt unwinding movement and a unitary pawl control means carried by a helically threaded shaft mounted on the retractor frame and rotatably driven by protractive and retractive rotation of the spool to inhibit pawl and ratchet locking of the spool in predetermined manner in response to both the direction of rotation of the spool and the amount of protractive rotation of the spool as the seat belt is placed in use.

REFERENCES:
patent: 3174704 (1965-03-01), Repogle
patent: 3412952 (1968-11-01), Wohlert et al.
patent: 3659801 (1972-05-01), Romanzi
patent: 3667698 (1972-06-01), Fisher

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