Automatic wind-up roller for a safety belt

Details Automatic wind-up roller for a safety belt Automatic wind-up roller for a safety belt

1979-06-13

1981-07-07

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, A62B 3502, B65H 7548

Patent

active

042770360

ABSTRACT:
Automatic wind-up roller for a safety belt with means to block the belt roller in case of danger. The wind-up roller has an automatic release mechanism which is activated when the vehicle exceeds a predetermined acceleration or deceleration. The automatic release mechanism when activated in turn activates a control element, wherein at least two locking pawls, preferably arranged at opposite sides of the belt shaft, are caused to interact with locking tooth means to block the belt roller. Means are provided to obtain simultaneous operation of both pawls by a single control element.

REFERENCES:
patent: 2708555 (1955-05-01), Heinemann et al.
patent: 2953315 (1960-09-01), Lautier et al.
patent: 3741496 (1973-06-01), Beller
patent: 3889898 (1975-06-01), Ziv
patent: 4044969 (1977-08-01), Wallin
patent: 4083512 (1978-04-01), Rumpf
patent: 4148446 (1979-04-01), Sugar

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