US PATENT SUBCLASS 83 / 722
.~.~.~.~.~.~ Including plural, simultaneously acting pusher elements


Current as of: June, 1999
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83 /   HD   CUTTING

401  DF  WITH MEANS TO CONVEY WORK RELATIVE TO TOOL STATION {18}
703  DF  .~ Plural passes of diminishing work piece through tool station {2}
707  DF  .~.~ Work rectilinearly reciprocated through tool station {3}
713  DF  .~.~.~ With means to cause movement of work transversely toward plane of cut {2}
717  DF  .~.~.~.~ By means to define increment of movement toward plane of cut {3}
719  DF  .~.~.~.~.~ By pusher mechanism {3}
722.~.~.~.~.~.~ Including plural, simultaneously acting pusher elements {6}
723  DF  .~.~.~.~.~.~.~> Independently adjustable
724  DF  .~.~.~.~.~.~.~> With additional means to retract elements
725  DF  .~.~.~.~.~.~.~> Power derived from movement of reciprocating means
726  DF  .~.~.~.~.~.~.~> Power derived from fluid pressure means
727  DF  .~.~.~.~.~.~.~> Movement by screw means
728  DF  .~.~.~.~.~.~.~> Movement by rack and pinion or pawl


DEFINITION

Classification: 83/722

(under subclass 719) Device wherein two or more spaced, work engaging means are interconnected so as to concurrently produce a shifting of the work toward the cutting plane.