US PATENT SUBCLASS 271 / 31.1
.~.~.~.~ Stack on edge

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}
30.1  DF  .~.~.~ Pack advancer {2}
31.1.~.~.~.~ Stack on edge

DEFINITION

Classification: 271/31.1

Stack on Edge:

(under subclass 30.1) Devices wherein a stack holder is provided and arranged to support the stack so that the individual sheets derive a substantial amount of their support from their edges.

(1) Note. Many of the devices herein includes a spring or weight to move a backstop that advances the stack.

SEE OR SEARCH THIS CLASS, SUBCLASS:

129, for a pack advancer which supports sheets on edge in combination with a reciprocating feeder.

149+, for a pack advancer of general utility which supports sheets on edge.