Active material actuated headrest utilizing bar linkage deployment system

An active headrest for selectively supporting the head of an occupant, includes a shell, and an actuator disposed within the shell, including a bar linkage system drivenly coupled to the shell, so as to adjust the distance or engagement between the shell and head when displaced, and an active materi...

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Bibliographic Details
Main Authors Alexander, Paul W, Carpenter, Michael G, Berger, Leigh A, Drew, Dale M, Kilpinen, Michael E, Hayes, Clayton J, Smith, James A
Format Patent
LanguageEnglish
Published 07.02.2012
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Summary:An active headrest for selectively supporting the head of an occupant, includes a shell, and an actuator disposed within the shell, including a bar linkage system drivenly coupled to the shell, so as to adjust the distance or engagement between the shell and head when displaced, and an active material element drivenly coupled to the system, so as to cause or enable the displacement of the system, and preferably further including a ratchet sector/pawl and latch cooperating to present plural achievable deployment positions.