US PATENT SUBCLASS 271 / 168
.~.~.~ By sheet-impaling restrainer

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

8.1  DF  FEEDING {8}
145  DF  .~ Pack holders {7}
167  DF  .~.~ With means to restrain feed of next sheet {2}
168.~.~.~ By sheet-impaling restrainer

DEFINITION

Classification: 271/168

(under subclass 167) Device wherein the retarding means comprises an element that penetrates the surface of at least the foremost sheet.

(1) Note. The sheet-impaler is usually a pointed pin, but can also comprise a rod that passes through aligned holes that are present in all the sheets of the stack.