US PATENT SUBCLASS 271 / 108
.~.~.~ Controlled by valve means

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}
108.~.~.~ Controlled by valve means

DEFINITION

Classification: 271/108

(under subclass 90) Device wherein the flow of gaseous medium to or from the sheet-removal means is regulated by mechanism to vary or stop such flow.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96, for a device wherein a rotating suction element includes means for varying the suction therein.