US PATENT SUBCLASS 271 / 96
.~.~.~.~ With means to adjust suction

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  DF  .~.~.~ Unidirectionally-moving suction member or surface {2}
96.~.~.~.~ With means to adjust suction

DEFINITION

Classification: 271/96

(under subclass 94) Device provided with means to vary the zone or area on the foremost sheet where vacuum is applied, or to vary the degree of vacuum applied, or vary the effect of the vacuum applied.

(1) Note. The adjustments noted in the definition above may be performed, for example, by adjusting the position of a nozzle that applies suction through the periphery of an apertured drum or belt, or by use of a valve that regulates the amount of suction applied, or by adjusting the speed of rotation of the drum or belt.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108, for a pneumatic separator including a valve means.