Restraint system tensioning device with load limiting...

Details Restraint system tensioning device with load limiting... Restraint system tensioning device with load limiting...

2005-01-11

2005-01-11

English, Peter C. (Department: 3616)

Land vehicles

Wheeled

Attachment

C060S635000, C188S374000, C297S480000

Reexamination Certificate

active

06840544

ABSTRACT:
A belt-tensioning device for an occupant restraint is provided, designed to tension a belt (101) about an occupant at the onset of a vehicle collision, and to provide a measure of controlled force dissipation as the occupant loads the belt during the collision. In a preferred form, a tensioning member (122) moves in one direction (124) to tighten a belt about a vehicle occupant at the onset of a collision, and a braking device (130a, 130b) is configured to apply a controlled braking force to movement of the tensioning member in the opposite direction after the tensioning member has tightened the belt about the vehicle occupant. An array of braking members (130a, 130b) applies different levels of braking force to movement of the tensioning member in the opposite direction, thereby providing controlled braking force to movement of the tensioning member in the opposite direction.

REFERENCES:
patent: 5358275 (1994-10-01), Fohl
patent: 5568940 (1996-10-01), Lane, Jr.
patent: 6676161 (2004-01-01), Schwald

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