Dual spool retractor

Details Dual spool retractor Dual spool retractor

1976-03-18

1977-12-27

Gilreath, Stanley N.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

040650707

ABSTRACT:
A retractor for safety belt webbing as used in automobiles which includes a frame and a pair of retractor spools journalled in the frame and the spools biased to reel in loose webbing. The spools extend and retract harness webbing against the bias and both spools include ratchet faced rotating end flanges. Between the spools a pawl is located. The pawl is double edged for simultaneous engagement, on tilting, with the ratchet teeth of the ratchet flanges of both spools. The pawl is in a bar form supported in the frame and upon tilting locks the retractors against withdrawal of webbing spooled thereon. A sensor activates or tilts the pawl and may act remotely on the pawl as by a lever. The sensor may be inertial and omnidirectional and reacts to changes in acceleration rate of the frame and vehicle to which it may be attached.

REFERENCES:
patent: 2825581 (1958-03-01), Knight
patent: 3189296 (1965-06-01), Wrighton et al.
patent: 3220668 (1965-11-01), Martin

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