US PATENT SUBCLASS 76 / 16
.~.~ Blow-controlled


Current as of: June, 1999
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76 /   HD   METAL TOOLS AND IMPLEMENTS, MAKING

12  DF  FILE CUTTING {9}
15  DF  .~ Trip-operated cutter {1}
16.~.~ Blow-controlled


DEFINITION

Classification: 76/16

Machines in which the cutter is raised against a spring or weight by means of a trip-cam, which upon release causes the cutter to strike a blow upon the file-blank and which is provided with means, usually automatic, for increasing or decreasing the force of the blow in conformity to the width or thickness of the file-blank as it is fed beneath the cutter.