US PATENT SUBCLASS 271 / 143
.~.~.~.~ By self-aligning (e.g., yieldable) pushers


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

8.1  DF  FEEDING {8}
18  DF  .~ Separators {8}
42  DF  .~.~ Reciprocating {2}
131  DF  .~.~.~ Bottom feed {9}
143.~.~.~.~ By self-aligning (e.g., yieldable) pushers


DEFINITION

Classification: 271/143

(under subclass 131) Device provided with a plurality of sheet-engaging members, each of which members is mounted for movement toward the stack to the extent necessary to properly engage the bottom sheet of the pack for feeding thereof.

(1) Note. Included herein are devices wherein sheets that may be warped are to be fed. The pusher members are mounted to partake of the same reciprocator movement, but are spaced laterally of the direction of feed and are independently urged toward the plane of the sheet so that they accommodate themselves to the warpage to engage the sheet for proper feed.