A pneumatic human power amplifier module is usable in conjunction with a wide variety of pneumatic actuators and lifting devices to provide a human power amplifier for lifting a load. The module includes an end-effector, an electronic controller and a pneumatic circuit. The end-effector contains a human...http://www.google.fr/patents/US5915673?utm_source=gb-gplus-shareBrevet US5915673 - Pneumatic human power amplifer module
