Retightener for automatic safety belt roll-up devices

Details Retightener for automatic safety belt roll-up devices Retightener for automatic safety belt roll-up devices

1981-10-02

1984-01-03

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

280806, A62B 3502, B65H 7548

Patent

active

044238460

ABSTRACT:
Retightener for automatic safety belt roll-up devices with a power reservoir which can be triggered in the case of a crash and with an energy transducer which acts upon the belt shaft of the automatic winder after triggering the power reservoir, causing the automatic winder to perform a rotary retightening motion. A rotatable pulling means pulley is provided as energy transducer which can be coupled to the belt shaft. The pulling means of the pulley is in connection with the power reservoir and effects the coupling connection and a retightening motion of the belt shaft after triggering the power reservoir and after surmounting the holdback force of a holdback device, e.g. shear pins.

REFERENCES:
patent: 3043093 (1962-07-01), Stott
patent: 3871470 (1975-03-01), Schwanz et al.
patent: 4191344 (1980-03-01), Tillac
patent: 4242945 (1981-01-01), Tisell et al.
patent: 4258934 (1981-03-01), Tsuge et al.

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