MACHINING HEAD FOR MACHINE TOOL
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United States of America Patent
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Issued Date -
May 17, 2012
app pub date -
Aug 13, 2007
filing date -
Aug 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A machining head (10) for a machine tool includes a spindle unit (20) to which a tool is attachable and a support head component (30, 60) that includes an index mechanism for indexing an angular position of a spindle (21). The index mechanism includes a drive motor (33, 63) supported by a bearing (35, 65) within the housing (31a, 61) of the support head component (30, 60) and a rotary joint (37, 67) disposed concentrically with the bearing (35, 65) and the drive motor (33, 63). The bearing (35, 65) is disposed within a range occupied by the drive motor (33, 63) in an axial direction of a support shaft (32, 37b, 62, 67c), and the rotary joint (37, 67) is disposed within the drive motor (33, 63) in a radial direction thereof.
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