Seat belt tension sensor
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United States of America Patent
Stats
-
Jan 18, 2005
Grant Date -
Dec 11, 2003
app pub date -
Jun 9, 2003
filing date -
Jun 7, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A lever is adapted to rotate about a first pivot at a first location responsive to a tension load from a webbing applied to an attachment pivoted or arcuately slotted about a second location. Tension load is reacted by a spring against a reaction element, and is sensed by either a displacement sensor or a force sensor. The sensed load range can be limited by a stop that engages the lever. The anchor bolt can be utilized as a stop in cooperation with a slot in the lever, wherein the lever is adapted to rotate about a stud depending from the reaction element. A tang portion of the lever engages a slot of a slide, and the displacement of the slide caused by a rotation of the tang reacted by springs at the ends of the slide is measured by a magnetic field sensor on the reaction element in cooperation with a pair of magnets on the slide.
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