Device for reducing spring tension in a belt strap

Details Device for reducing spring tension in a belt strap Device for reducing spring tension in a belt strap

1978-07-11

1980-08-12

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074R, A02B 3502, B65H 7548

Patent

active

042169224

ABSTRACT:
In a device for reducing spring tension in a belt strap, particularly in a belt retractor for safety belts in motor vehicles, comprising a winding shaft and a return spring secured in a housing, the device including means for producing a force acting against the tension of the spring, the means being couplable with the winding shaft through a coupling means, the improvement comprising a spring housing mounted so as to be freely rotatable on the shaft, a pivot bearing of a wheel rotatably disposed on the spring housing, the wheel being in driving arrangement through the coupling means with the winding shaft and with the retractor housing, and a release member operable for releasing the coupling means.

REFERENCES:
patent: 4108393 (1978-08-01), Henderson
patent: 4125231 (1978-11-01), Henderson

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