Vehicle acceleration sensor for seat belt retractor
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United States of America Patent
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N/A
Issued Date -
Nov 10, 2005
app pub date -
Sep 14, 2004
filing date -
May 7, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A vehicle acceleration sensor for a seat belt retractor safety restraint has an inertial member is mounted so as to move under the influence of acceleration and deceleration forces. The inertial member is a ball mounted in a plastic cup which is mounted to pivot under inertial forces such as occur in a vehicle crash by engagement of a narrow neck portion in a mounting hole in a base member. A pivoted locking pawl is adapted to engage teeth in a ratchet wheel of the seat belt retractor to lock the seat belt retractor against webbing payout. A ring washer rests on the upper part of the ball and is adapted to restrain the movement of the ball so that the ball only moves when the level of acceleration or deceleration exceeds a predetermined threshold.
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