US PATENT SUBCLASS 271 / 94
.~.~.~ Unidirectionally-moving suction member or surface

Current as of: June, 1999
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271 /   HD   SHEET FEEDING OR DELIVERING

8.1  DF  FEEDING {8}
18  DF  .~ Separators {8}
90  DF  .~.~ Pneumatic {10}
94.~.~.~ Unidirectionally-moving suction member or surface {2}
95  DF  .~.~.~.~> Having additional movement
96  DF  .~.~.~.~> With means to adjust suction

DEFINITION

Classification: 271/94

(under subclass 90) Device wherein the sheet-removing means comprises an element that turns continually in the same direction, through the surface of which element vacuum is applied to engage and remove a sheet from a stack.

(1) Note. The shape of the suction member of this subclass may vary. Included herein is a drum or a belt having apertures therein or a wheel or chain having orbiting cups mounted thereon. What is common to all the devices is the presence of suction through the suction member and the movement in one direction of the suction member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

196, for a delivery conveyor having similar structure.