US PATENT SUBCLASS 76 / 39
.~.~.~ Switch-cam feed

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

25.1  DF  SAW-MAKING OR FURBISHING DEVICE OR MACHINE {12}
*  DD  .~ Sharpening and gumming {3}
37  DF  .~.~ Rotating tool {8}
39.~.~.~ Switch-cam feed

DEFINITION

Classification: 76/39

Machines which sharpen saws by means of a rotary file or abrading-disk having oblique or helical ribs adapted to engage the teeth of the saw for the purpose of feeding the saw forward. The disks or cutters in this class of machines usually have a section broken away to permit the feeding of the saw.