Importance

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Abstract

Shape memory actuators for use with repetitive motion devices are provided. The present invention includes a method of urging a working end of a repetitive motion work arm into a work surface in which the working end is positioned to repetitively move across. This method may include providing a work arm having a working end positioned to repetitively move about a predetermined path of a work surface. This method may also include repetitively moving the working end of the work arm about the predetermined path of the work surface and urging the working end of the work arm into the work surface by activating a shape memory alloy actuator in physical communication with the work arm. The present invention also includes a method of urging a wiper blade towards a non-opaque surface of a motor vehicle. This may include urging a blade end of a wiper arm towards a non-opaque surface of a motor vehicle by activating a shape memory alloy actuator in physical communication with the wiper arm and moving the blade end of the wiper arm over the non-opaque surface. The present invention may also include a wiper blade system for a non-opaque surface of a motor vehicle that has a wiper arm having a blade end and a body connection end and a shape memory alloy actuator in physical communication with the body connection end.

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First Claim