Sports vehicle seat with adaptive lateral restraints
First Claim
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1. 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.
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Abstract
An embodiment of a sports vehicle seat. The seat has lateral restraints for laterally retaining an occupant of the seat, and an actuating device for adapting the shape and/or size of the lateral restraints as a function of vehicle driving mode. 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.
22 Citations
17 Claims
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1. 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
- the seat comprises;
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17. 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 characterized by a low degree of lateral restraint, and a racing configuration characterized by 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; wherein the two first lateral restraints rotate towards the occupant when switching from the comfort configuration to the racing configuration; and wherein each first lateral restraint is formed in at least two parts, which rotate by different angles when switching from the comfort configuration to the racing configuration.
- the seat comprises;
Specification