Seat belt apparatus for automobile
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United States of America Patent
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-
Apr 16, 1996
Grant Date -
N/A
app pub date -
Jul 29, 1994
filing date -
Jul 29, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A seat belt apparatus for an automobile includes a ratchet wheel and at least one pawl member for selectively braking a spool with respect to one direction of its rotation. The pawl member operates to perform the emergency locking and excessive-loosening preventing functions with respective to a belt. To precisely control the time for emergency stop of belt, the apparatus contains a fly wheel mass having a plurality of holes, and a web sensing spring one end of which is fixed to one of the holes. Further, to control the effective length of the belt, the apparatus includes cam protrusions, a cam gear and a cam plate which overlap to enable the distance control of the cam protrusions.
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Family
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