Multilevel load limiting retractor with dual shifting mode

Details Multilevel load limiting retractor with dual shifting mode Multilevel load limiting retractor with dual shifting mode

2007-07-10

2007-07-10

Fleming, Faye M. (Department: 3616)

Land vehicles

Wheeled

Attachment

Reexamination Certificate

active

10931231

ABSTRACT:
A seat belt retractor has a spool for seat belt protraction and retraction. An energy absorption mechanism is provided for absorbing energy from the spool during seat belt protraction. The energy absorption mechanism has a first part for a relatively high rate of energy absorption and a second part for a relatively low rate of energy absorption. A shift mechanism for shifting between the first part and the second part is also provided. The shift mechanism is a link movable between a first link position wherein the first part is engaged with the spool and a second link position wherein the second part is engaged with the spool. The link is drivable between the first link position and the second link position by energy from seat belt protraction.

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