Seatbelt webbing retracting device

Details Seatbelt webbing retracting device Seatbelt webbing retracting device

1981-03-31

1984-05-08

Levy, Stuart S.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

280806, 297478, 297480, A62B 3502, B65H 7542, B65H 7548

Patent

active

044470177

ABSTRACT:
A main shaft is threadably coupled to a base mounted on a vehicle body, and this main shaft is biased by a spring in the axial direction thereof. However, the main shaft is prevented from rotating by an arm tiltably supported on the main shaft being engaged with a stopper provided on the base. In an emergency of a vehicle, an acceleration sensor turns the arm to slip off the stopper to make the main shaft rotatable, whereby the main shaft rotatingly moves in the axial direction thereof. This moving force is transmitted to the webbing, whereby the webbing is retracted, so that the webbing can be closely fastened to an occupant.

REFERENCES:
patent: 3077324 (1963-02-01), Strickland, Jr.
patent: 3531061 (1970-09-01), Davies
patent: 3970266 (1976-07-01), Doin et al.
patent: 4056242 (1977-11-01), Herrmann

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