US PATENT SUBCLASS 83 / 554
.~ With means providing for plural steps in tool stroke


Current as of: June, 1999
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83 /   HD   CUTTING

523  DF  MEANS TO DRIVE OR TO GUIDE TOOL {35}
554.~ With means providing for plural steps in tool stroke


DEFINITION

Classification: 83/554

(under subclass 523) Device with means which necessarily results in, or whose disclosed purpose is to permit, successive applications of force, including gravitational, to the tool in its cutting motion (as contrasted with its return motion) in two or more distinct pulses.

SEE OR SEARCH CLASS

234, Selective Cutting, (e.g., Punching),

76+, for similar tool actuating means in a pattern-controlled card or tape punch.