Parallel kinematic structure for a machine tool
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United States of America Patent
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Dec 28, 2004
Issued Date -
N/A
app pub date -
Feb 24, 2003
filing date -
May 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for using a parallel structure designed for positioning and displacing a mobile member including at least a fixed element and at least three actuators each including a fixed part and a mobile part, the mobile member including a support-sheath of a tool spindle. The device includes a balancing assembly which, enabling the support-sheath to move in rectilinear manner along axes X, Y and Z, maintains the support-sheath such that the weight of the support-sheath is not transferred to the parallel structure.
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