US PATENT SUBCLASS 76 / 23
.~.~ Screw-operated

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

12  DF  FILE CUTTING {9}
22  DF  .~ Feeding {1}
23.~.~ Screw-operated

DEFINITION

Classification: 76/23

Mechanisms for feeding the blanks to the file cutting or punching devices, comprising a screw-feed for advancing the blank carriage or clamp.