Tensioning mechanism for a safety belt reel-in mechanism

Details Tensioning mechanism for a safety belt reel-in mechanism Tensioning mechanism for a safety belt reel-in mechanism

1989-06-30

1990-12-25

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B60R 2246

Patent

active

049796941

ABSTRACT:
A tensioning mechanism for a safety belt reel-in mechanism, including a cable drive that is activatable in the event of a crash and includes a cable pulley that is adapted to be positively coupled with the belt reeling-in shaft of the reel-in mechanism via a locking member that is disposed on the cable pulley and is radially shiftable for meshing with coupling teeth provided on a toothed ring of the belt reeling-in shaft. To assure a more reliable tooth engagement in every phase of the tensioning movement, the cable pulley is provided with a support arrangement that is adapted to rest against the tooth ring of the belt reel-in mechanism and that extends into a plane formed by the locking member and the coupling teeth.

REFERENCES:
patent: 4423846 (1984-01-01), Fohl
patent: 4618108 (1986-10-01), Butenop et al.
patent: 4750685 (1988-06-01), Frei

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