DEVICE FOR TRANSFORMING ROTARY MOTION INTO RECTILINEAR MOTION
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Nov 27, 2007
filing date -
Dec 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention concerns a device to transform rotary motion into rectilinear motion, which comprises a trapezoidal threaded (13) rotating screw (11) and a translating nut screw (12). Driving teeth (15) are assembled on board the nut screw (12), radially orientated towards the screw and each one with a truncated cone portion (17) which engages with a side of the threading of the screw. Each driving tooth (15) is supported in the nut screw by rotating on its axis and subjected to axial preload in order to remain constantly coupled to the threading of the screw.
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