US PATENT SUBCLASS 271 / 196
.~.~ Unidirectionally-moving suction member or surface

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

278  DF  DELIVERING {13}
194  DF  .~ By pneumatic conveyor {2}
196.~.~ Unidirectionally-moving suction member or surface {1}
197  DF  .~.~.~> Including endless-belt conveyor and suction chamber

DEFINITION

Classification: 271/196

(under subclass 194) Device wherein the removing means includes an element that turns continually in the same direction, through the surface of which element vacuum is applied to engage and deliver a sheet to a receiver.

(1) Note. The shape of the suction member of this subclass may vary. Included herein is a drum having apertures therein or a wheel or chain having orbiting cups mounted thereon. Common to all the devices is the presence of suction and the movement in one direction of the suction member. See subclass 197 below for a device having an apertured surface comprising an endless belt.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94+, for similar structure used for feeding individual sheets from a stack.