Apparatus and method for moving a substrate

Sheet feeding or delivering – Feeding – By means to convey sheet

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271 84, 198771, B65H 512

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active

054679753

ABSTRACT:
A device for moving an object, such as a sheet of paper or other substrate, includes a base element, a drive mechanism to move the base element in first and second directions, such as by vibration, and a plurality of flexible ratchets fixedly secured to the base element. As the base element vibrates, the ratchets advance the sheet of paper in a direction perpendicular to the direction of vibration of the base element. Pluralities of base elements and drive mechanisms can be provided to direct movement of the substrate in various directions.

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Racine, G. A., et al., "Hybrid Ultrasonic Micromachined Motors", Proc. IEEE Conf. on MEMS, Florida, Feb., 1993, pp. 128-132.
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Udayakumar, R. M., et al., "Ferroelectric Thin Film Ultrasonic Micromotors", Proc. MEMS '91, Nara, Japan, Jan. 30-Feb. 2, 1991, pp. 109-113.
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