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Class Information
Number: 470/151
Name: Threaded, headed fastener, or washer making: process and apparatus > Apparatus for making headed fastener, e.g., nail, rivet, etc. > Having head finisher > Broach type
Description: Subject matter wherein the mechanism comprises a multiple-tooth, barb-like cutting tool wherein the teeth are shaped to produce a desired surface or contour and the cutting is produced by configuring the teeth such that each tooth projects farther than the preceding tooth.

Patents under this class:

Patent Number Title Of Patent Date Issued
4214333 Apparatus for trimming boltheads or the like Jul. 29, 1980

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