Shape memory polymer seat assemblies

Details Shape memory polymer seat assemblies Shape memory polymer seat assemblies

2007-12-18

2007-12-18

Barfield, Anthony D. (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

C297S452280

Reexamination Certificate

active

11076433

ABSTRACT:
A seat assembly includes a seat fabric, wherein at least a portion of the seat fabric comprises a yarn comprising a shape memory polymer adapted to undergo a change in a modulus of elasticity at a thermal transition temperature; a support material upon which the seat fabric is disposed; and a controller in operative communication with the shape memory polymer, wherein the controller is operable to selectively apply a thermal activation signal to the shape memory polymer to effect a change in the modulus of elasticity of the shape memory polymer, wherein the change in the modulus of elasticity of the shape memory polymer results in a change in a stiffness and/or flexibility of the seat fabric.

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