Belt retractor for a vehicle safety belt
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United States of America Patent
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May 16, 2017
Issued Date -
N/A
app pub date -
Sep 4, 2014
filing date -
Mar 7, 2012
priority date (Note) -
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Abstract
A belt retractor comprising a safety belt reel (1) rotatably mounted on a frame (7) and a load limiter (2) which acts on a rotational movement of the belt reel (1) and has a switchable energy consumption, said load limiter having a granulate (3), which is enclosed in a closed load limiter chamber (8) and consists of dry, granular solid, and at least one rotating member (4) which can be rotated relative to the granulate (3), the energy consumption resulting from shear forces acts between the grains of granulate.
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