Winding device, in particular for a vehicle safety belt

Details Winding device, in particular for a vehicle safety belt Winding device, in particular for a vehicle safety belt

1975-12-23

1978-04-18

Hornsby, Harvey C.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242107, B65H 7548, A62B 3502

Patent

active

040847659

ABSTRACT:
The device comprises a drum around which a belt is wound under the action of a return spring. This spring acts through a cable passing around two pulleys of variable diameter which produce a return force which is independent of the extent of the winding of the belt. Moreover, the cable passes around a pulley which permits transmitting to a device responsive to acceleration a value which represents the linear acceleration of the belt which is also independent of the extent of the winding of the belt.

REFERENCES:
patent: 924669 (1909-06-01), Johnson
patent: 2845234 (1958-07-01), Cushman et al.
patent: 3480228 (1969-11-01), Ulert
patent: 3905562 (1975-09-01), Kell
patent: 3907227 (1975-09-01), Takada
patent: 3997126 (1976-12-01), Karlsson

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