US Patent 7226428 Air controlled massage system

A massage system is provided that includes a motor, at least one bellows and at least one inflatable bladder connected to each bellows. Each bellows has an extended position and a retracted position, wherein operation of the motor causes each bellows to move between the extended and retracted positions. When each bellows is moved from the extended to the retracted position, air is expelled from the bellows and enters a corresponding one of the at least one inflatable bladder and when each bellows is moved from the retracted to the extended position, air is extracted from a corresponding one of the at least one inflatable bladder and enters the bellows.