MACHINE TOOL
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United States of America Patent
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Issued Date -
Sep 3, 2020
app pub date -
Nov 22, 2017
filing date -
Nov 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A machine includes a main shaft on the tip of which a tool is mounted, a main shaft head for supporting the main shaft, a main shaft head support for supporting the main shaft head so as to be able to rotate around a first axis line that extends perpendicular to the rotational axis line of the main shaft, a first rotary feed shaft device provided on the main shaft head support for rotary feeding of the main shaft head around the first axis line, a saddle that supports the main shaft head support, a second rotary feed shaft device provided on the saddle for rotary feeding of the main shaft head support around the second rotational axis line, and a restricting means for restricting the range of rotary feeding of the first rotary feed shaft device.
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