Dual reel retractor

Details Dual reel retractor Dual reel retractor

1980-02-19

1983-08-23

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

A62B 3502, B65H 7548

Patent

active

043999557

ABSTRACT:
A seat belt retraction apparatus has a single retractor frame carrying reels each having a webbing attached at one end. The reels each have a pawl and ratchet means for locking each reel to prevent rotation of the reel in the belt extending direction. Upon application of predetermined force, an inertia type sensing means displaces a common actuating means to simultaneously actuate each pawl into locking engagement with its associated ratchet means to prevent rotation of each reel in a web extending direction. The preferred actuating means comprises a rotary lifter having a flexible portion for storing energy in the event that its associated pawl bounces on a tip of a ratchet tooth of a ratchet wheel. The actuating means and inertia means may be located outwardly of the sidewalls of the retractor frame.

REFERENCES:
patent: 3241883 (1966-03-01), Fontaine
patent: 3930622 (1976-01-01), Tanaka et al.
patent: 3944164 (1976-03-01), Tibbe
patent: 4008864 (1977-02-01), Torphammar et al.
patent: 4065070 (1977-12-01), Pilarski et al.
patent: 4135683 (1979-01-01), Stephenson et al.
patent: 4245798 (1981-01-01), Steger

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