Seatbelt retractor

Details Seatbelt retractor Seatbelt retractor

1981-01-13

1983-02-08

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074A, 280806, A62B 3502, B05H 7548

Patent

active

043725015

ABSTRACT:
A seatbelt retractor forcibly winds up a webbing fastened to an occupant onto a takeup shaft by utilization of an explosive force of a powder to closely attach the webbing to the occupant for restraining and protecting the occupant in an emergency of a vehicle. The retractor is provided therein with a pressure control valve for releasing an explosive pressure exceeding a predetermined value to atmosphere, which prevents a webbing takeup force beyond necessity from acting on the takeup shaft so as not to permit the webbing to excessively oppress the occupant.

REFERENCES:
patent: 3178136 (1965-04-01), Bayer
patent: 3178225 (1965-04-01), Bayer
patent: 3211175 (1965-10-01), Replogle
patent: 3531061 (1970-09-01), Davies
patent: 3917031 (1975-11-01), Doin et al.
patent: 3918545 (1975-11-01), Andres et al.
patent: 4056242 (1977-11-01), Herrmann
patent: 4286758 (1981-09-01), Inukai et al.

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