US PATENT SUBCLASS 234 / 28
.~.~ With means to control feed

Current as of: June, 1999
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234 /   HD   SELECTIVE CUTTING (E.G., PUNCHING)

22  DF  WITH MEANS TO IMPOSE RANDOMLY ACTUATED CONTROL OF AUXILIARY-OPERATION {3}
25  DF  .~ Embodying means to detect indicium in work or pattern {2}
28.~.~ With means to control feed {1}
29  DF  .~.~.~> Control of pattern feed

DEFINITION

Classification: 234/28

(under subclass 25) Device wherein the control-imposing means is for starting, stopping, or modifying the progress of a pattern and/or workpiece through the device.

(1) Note. The usual function characterizing the devices of this subclass is pattern-controlled skipping of pattern and/or work fields.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19, for programmed control of pattern or work feed.

72+, for broadly, means to alter the effect of pattern data by transposition, shift, or suppression field.