Safety belt winding device

Details Safety belt winding device Safety belt winding device

1975-03-06

1976-07-20

McCarthy, Edward J.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421074B, A62B 3502

Patent

active

039702650

ABSTRACT:
The winding device for a vehicle safety belt comprises a housing, a sleeve rotatable in the housing and spring-biased to wind up the safety belt, a ratchet wheel with ratchet teeth arranged at one end of the sleeve, counter teeth disposed on the housing, a catch wheel with catch teeth arranged between the ratchet wheel and housing and being displaceable into a locking position of simultaneous engagement with the ratchet teeth and counter teeth, tension limiting means connecting the ratchet wheel for rotation with the sleeve supporting the safety belt and consisting of a torsion bar extending coaxially through the sleeve and connected at one end thereof with the sleeve and at the other end with the ratchet wheel, and means for retaining the ratchet wheel at the end of the sleeve such that the sleeve is torsionally rotatable but not axially displaceable relative to the ratchet wheel.

REFERENCES:
patent: 3741494 (1973-06-01), Fiala
patent: 3790099 (1974-02-01), Beller
patent: 3802642 (1974-04-01), Klink
patent: 3857528 (1974-12-01), Fiala

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