Belt retractor for a vehicle seat belt
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Sep 25, 2014
filing date -
Sep 26, 2013
priority date (Note) -
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Abstract
A belt retractor for a vehicle seat belt comprises a rotatably supported belt reel from which webbing can be unwound, a force limiting means which in a force limiting phase permits controlled webbing extension in the webbing extension direction when the belt reel is blocked and a particular force threshold is exceeded, and a change-over device for performing a change-over operation during which it is changed between a low force limitation level and a high force limitation level. In accordance with the invention, the change-over device includes a control means which in response to the identification of an installed child safety seat suppresses a change-over operation from the low force limitation level to the high force limitation level and/or triggers a change-over operation from the high force limitation level to the low force limitation level.
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Family
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