Energy absorbing device, seat belt retractor and seat belt device
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United States of America Patent
Stats
-
Oct 16, 2018
Grant Date -
Dec 7, 2017
app pub date -
Nov 26, 2015
filing date -
Dec 12, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An energy absorbing device, a seat belt retractor, and a seat belt device, that can change an energy absorption characteristic continuously, and improve durability. A base plate that is connected to a spool and has a corrugated groove annularly formed, a cover plate that is opposingly connected to the base plate and has a corrugated groove synchronized with the corrugated groove of the base plate, a plurality of driving pins with a first end inserted into the corrugated groove of the base plate and a second end inserted into the corrugated groove of the cover plate, a plurality of mass bodies that are arranged in respective intermediate portions of the driving pins, and intermediate plates that are inserted with the driving pins, arranged on both sides of the mass bodies, and connected to a locking base.
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Family
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