Patent ID: 7905548

Claim:
A sports vehicle seat; the seat comprises: a vertical seatback; a horizontal seat portion; lateral restraints for laterally retaining an occupant of the seat and having the shape and/or size which are/is adaptive to adapt the degree of lateral restraint provided by the lateral restraints; and an actuating device to adapt the shape and/or size of the lateral restraints as a function of vehicle driving mode so that each lateral restraint may assume a comfort configuration having a low degree of lateral restraint, and a racing configuration having a high degree of lateral restraint; wherein the seat portion comprises at least two first lateral restraints, which expand upwards when switching from the comfort configuration to the racing configuration; and wherein each lateral restraint incorporates at least one shape-memory member which changes shape when subjected to physical external stress; and the actuating device subjects each shape-memory member to physical external stress to change the shape of the shape-memory member.