Adjusting apparatus for roll threading die head
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Aug 15, 1995
filing date -
Aug 15, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An adjusting apparatus for a roll threading die head with a head body having a plurality of threading rollers located on an imaginary circle concentrical to an axis of a cylindrical workpiece to be threaded. There are provided eccentric bearings which rotatably support the corresponding threading rollers and which are rotatable about axes eccentric with respect to the axes of rotation of the respective threading rollers. The eccentric bearings are simultaneously rotated by a rotor about their axes by the same angular displacement.
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