Lead screw threading assembly
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United States of America Patent
Stats
-
Jul 20, 1982
Issued Date -
N/A
app pub date -
May 26, 1981
filing date -
Oct 22, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a lead screw threading tool utilized to form external threads on the upper end of a cylindrical shroud of a shock absorber assembly of a vehicular suspension system. The tool includes an expandable collet which is inserted into one end of the shroud for maintaining a lead screw arbor in axial alignment with the interior opening of the shroud. The lead screw arbor is utilized for mounting a driver unit for longitudinal movement along the axis of the arbor. A thread forming die is fastened to the driver unit in such a manner so as to permit limited radial movement of the forming die relative to the axis of the arbor. The limited radial movement of the threading die permits the die to properly seat on the outer wall of the shroud in the event there is a variation in concentricity between the inner and outer walls of the cylindrical shroud.
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Cited Art Landscape
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