US PATENT SUBCLASS 76 / 15
.~ Trip-operated cutter

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

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

DEFINITION

Classification: 76/15

Machines in which the cutter is raised against a spring or weight by means of a trip-cam or other device, which upon release causes the cutter to strike a blow upon the file-blank.