US PATENT SUBCLASS 271 / 183
.~.~.~ By suction retarder

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

278  DF  DELIVERING {13}
306  DF  .~ With transfer means between conveyor and receiver {8}
182  DF  .~.~ Means to retard sheets {1}
183.~.~.~ By suction retarder

DEFINITION

Classification: 271/183

(under subclass 182) Device wherein the restraint or hold back is effected by a surface or member moving at a speed slower than that of each of the sheets and contacting the sheet surface frictionally, the frictional contact being enhanced by subatmospheric pressure urging the sheet toward the surface or member.