Method of and apparatus for conveying object by utilizing vibrat

Details Method of and apparatus for conveying object by utilizing vibrat Method of and apparatus for conveying object by utilizing vibrat

1988-10-21

1991-03-05

Schacher, Richard A.

Sheet feeding or delivering

Feeding

By means to convey sheet

B65H 516

Patent

active

049971778

ABSTRACT:
A vibrating-type driving unit employing a piezo-electric device is provided for conveying an object such as a sheet material. A follower roller is provided to be opposed to the vibrating-type driving unit, and A.C. power is supplied thereto so as to convey the object. In addition, a friction coefficient of surface of the follower roller is selected to be greater than friction coefficient of a driving head of the vibrating-type driving unit. With this selection, it is possible to convey the object efficiently and stably.

REFERENCES:
patent: 3747921 (1973-07-01), Knappe
patent: 3929328 (1975-12-01), Knappe
patent: 4613782 (1986-09-01), Mori
IBM Technical Disclosure Bulletin, vol. 17, No. 2, pp. 501, 502, Jul. 1974, "Document Card Reader", Meyerhofer.

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