Energy absorbing seat belt retractor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Mar 8, 2002
filing date -
Jul 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A seat belt retractor comprising: a spool about which a seat belt is wound; a locking mechanism at least initially locking the spool against rotation and a primary force-limiting mechanism, such as a torsion bar for permitting the spool to rotate in a controlled manner subsequent to the locking of the spool and a secondary force-limiting mechanism located within a recess of the spool and comprised from portions of the spool and an adjacent portion of the locking mechanism for increasing the restraining force on the seat belt before the primary force-limiting mechanism becomes effective. The torsion bar is connected at one end to the spool and at its other end to the locking mechanism. The secondary locking mechanism includes a recess, keyway or slot and a projecting, breakable tab formed on one of the bore and an interfitting part of the locking mechanism.
First Claim
Family
International Classification(s)
Cited Art Landscape
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