Comfort mechanism for safety belt retractors

Winding – tensioning – or guiding – Strand tensioning device – Tortuous course

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Details

A62B 3502, B65H 7548

Patent

active

043867448

ABSTRACT:
An improved comfort mechanism which is located on the frame of a seat belt retractor and which vastly simplifies comfort mechanism construction. The mechanism is loaded into a closable disc-like shallow case. A ratchet is keyed to the shaft of the retractor and a combination clutch plate and cam element is rested over the ratchet and frictionally pressed against the ratchet by a spring so as to turn with it limited by selected stops. A pawl normally biased out-of-contact with the ratchet is also in the case and the pawl is selectively acted upon by the cam skirt of the combination clutch plate and cam element to engage and disengage the pawl with the ratchet as the webbing is manipulated. The case is provided with a cover enclosing all parts. Case cover, combination clutch plate and cam, pawl and the ratchet may all be fabricated from plastic injection molded or formed parts.

REFERENCES:
patent: Re29095 (1977-01-01), Heath
patent: 3973786 (1976-08-01), Rogers
patent: 4023746 (1977-05-01), Magyar
patent: 4034931 (1977-07-01), Fisher
patent: 4057199 (1977-11-01), Scibbe et al.
patent: 4106722 (1978-08-01), Inukai et al.
patent: 4124175 (1978-11-01), Cislak
patent: 4149683 (1979-04-01), Fisher
patent: 4270709 (1981-06-01), Inukai et al.

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