Patent ID: 7523988

Claim:
A movable bolster arrangement for a vehicle seat comprising: a base having a pair of spaced apart sides; a bolster that is movable relative to the base; wherein one of a first base side or a first bolster arm comprises a first cam and the other one of the first base side or first bolster arm comprises a first cam track that guides movement of the first cam and one of a second base side or a second bolster arm comprises a second cam and the other of the second base side or second bolster arm comprises a second cam track that guides movement of the second cam; wherein the first base side or the first bolster arm comprises a third cam and the other of the first base side or the first bolster arm comprises a third cam track that guides movement of the third cam and the second base side or the second bolster arm comprises a fourth cam and the other of the second base side or the second bolster arm comprises a fourth cam track that guides movement of the fourth cam; and further comprising a pin disposed along each base side that is received in a corresponding slot disposed in the adjacent base side or adjacent bolster arm wherein one of the slots is disposed between the first and third cams and the other one of the slots is disposed between the second and fourth cams.