End-knurling device
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United States of America Patent
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Feb 9, 2016
Grant Date -
Jun 26, 2014
app pub date -
Dec 24, 2012
filing date -
Dec 24, 2012
priority date (Note) -
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Abstract
An improved knurling device (20) includes a body (21) having an axis of elongation (x-x), and has a first part (22) and a second part (23). The body first part has axially-spaced front and center plates (24, 25, respectively). The body second part is mounted on the center plate, and is selectively rotatable about the axis relative to the center plate. A plurality of knurl rolls (26, 26, 26) are mounted on the body first part between the front and center plates. An arbor (28) is axially mounted on the body second part, and is biased to move toward the front plate. The end of a rotating workpiece (W) is adapted to be axially inserted through the front plate and moved toward the body second part between the knurl rolls to roll a knurl pattern on the workpiece. The angular relationship between the knurl rolls is continuously maintained at all times.
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