Patent ID: 11897379
Assignee: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC B  A  F | IPC A  B  F

Claim 5:
6. A seat comprising:
a back portion, the back portion including a cushion portion,
a plurality of shape memory material members extending laterally across the back portion, the shape memory material members having opposing ends, the opposing ends being operatively connected to a back portion structure, the plurality of shape memory material members being spaced from each other in an elevation direction; and
a spacer located between at least one of the plurality of shape memory material members and the cushion portion, the spacer causing a curvature of the at least one of the plurality of shape memory material members,
whereby the spacer causes the at least one of the plurality of shape memory material members to have a greater curvature, whereby, when activated, the shape memory material members contract and impart an increased push force on a seat occupant.