Patent ID: 8350447

Claim:
An electro-polymer motor, the motor comprising: a fixed member; a first actuator having a first end fixedly connected to the fixed member and a second end, the first actuator comprising a polymer positioned between two electrodes, wherein the electrodes are in communication with a power supply; a driven member comprising a body having cylindrical shape with a cylindrical shaped aperture disposed therethrough, wherein the driven member is fixedly connected to the second end of the first actuator; and wherein the body is disposed longitudinally along a longitudinal axis of the motor and the aperture is coaxially aligned with the longitudinal axis; and a compressible member having a first end fixedly connected to the fixed member and a second end fixedly connected to the body of the driven member, the compressible member spaced apart from the first actuator; wherein the first actuator changes length after the power supply applies a voltage across the electrodes to move the driven member.