Webbing tension device

Details Webbing tension device Webbing tension device

1984-07-26

1986-04-29

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

280806, B65H 7548, B60R 2246

Patent

active

045851840

ABSTRACT:
In a webbing tension device adapted for use in a webbing retractor for a vehicle in which a takeup shaft retracting an occupant restraining webbing thereon is biased in a direction of a webbing retraction by small resilient means and in an emergency situation of the vehicle a biasing force of large resilient means is transmitted to the takeup shaft through one clutch means so that the takeup shaft is biased in the direction of the webbing retraction by the large resilient means, another clutch means is disposed between the takeup shaft and the large resilient means. Accordingly, when the webbing is fully retracted on the takeup shaft after the vehicle is released from the emergency situation, the another clutch means is put in its connected situation, and when the webbing is unwound from the takeup shaft after it is retracted fully on the takeup shaft, an unwinding rotation of the takeup shaft is transmitted to the large resilient means, so that the large resilient means is wound up.

REFERENCES:
patent: 2883123 (1959-04-01), Finnigan
patent: 4447017 (1984-05-01), Inukai
patent: 4471918 (1984-09-01), Ando

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