Internally collapsible steering column assembly
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United States of America Patent
Stats
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Oct 20, 2015
Grant Date -
Feb 5, 2015
app pub date -
Sep 18, 2014
filing date -
Mar 9, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A collapsible steering column assembly comprising an inner tube operatively connectable with a steering wheel; a top bracket for mounting the steering column assembly; a column housing pivotally coupled with the top bracket and configured to telescopically receive the inner tube; a telescoping actuator device operatively attached to the column housing and the inner tube by one or more drive members; and an energy absorption device housed at least partially within or carried at least partially on the telescoping actuator device and fixed in place to the column housing; wherein the column housing remains generally fixed in place relative to the top bracket in an event of a secondary impact, and during the secondary impact, the inner tube telescopically translates into the column housing; and wherein, during the secondary impact, the energy absorption device undergoes plastic deformation to absorb energy from a load caused by the secondary impact.
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Family
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