Patent ID: 6918884

Claim:
A vibrating lumbar support for a seat comprising: at least one guide rod, said rod having upper and lower ends adapted to fixedly attach to a seat frame; an arching pressure surface having upper and lower members, at least one of said upper and lower members being slidingly engaged with said at least one rod; an arching actuator, said actuator being engaged with at least one of said arching pressure surface upper and lower members, such that at least one of said upper and lower members is adapted to move towards the other of said upper and lower members along said at least one guide rod whereby said arching pressure surface is arched; a vibrator, said vibrator being fixedly attached to said guide rod such that vibrations are upon actuation, transferred to a seat occupant via said guide rod and said arching pressure surface. an extension, said extension putting said vibrator and said pressure surface in vibrating operative cooperation by being fixedly attached to one of said vibrator and pressure surface and being biased to maintain contact with the other of said vibrator and pressure surface.