Automatic roll-up device for a safety belt

Details Automatic roll-up device for a safety belt Automatic roll-up device for a safety belt

1981-11-13

1983-12-27

Levy, Stuart S.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, 280806, 297478, A62B 3502, B65H 7548

Patent

active

044225946

ABSTRACT:
Automatic roll-up device for a safety belt in vehicles, with means for blocking the belt roller in the case of danger, consisting of a detent locking mechanism which is automatically operated by a vehicle-sensitive and/or belt-sensitive activating mechanism. A locking detent is provided which can lock with locking teeth of locking wheels fixed to the belt shaft. A control part which is freely rotatably supported on the belt shaft serves to operate the locking detent. The control part can be moved to its locking position by a support member, which is fixed to the belt shaft and has locking teeth, by the action of a sensor pawl lever which is supported at the control part and can be directly positioned by means of a vehicle-sensitive inertia sensor. And/or a belt-sensitive inertia sensor which is attached to the support member can lock-in with the control part.

REFERENCES:
patent: 3819126 (1974-05-01), Stoffel
patent: 3991953 (1976-11-01), Takada et al.
patent: 4148446 (1979-04-01), Sugar
patent: 4190213 (1980-02-01), Ueda
patent: 4300733 (1981-11-01), Morinaga

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