Machine tool

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United States of America Patent

PATENT NO 9527180
APP PUB NO 20150258649A1
SERIAL NO

14437832

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A set means for setting a workpiece (11) is provided behind a main shaft (4), the front end of which is provided with a chuck (8) that opens and closes freely, and is disposed so as to support the workpiece (11) with the chuck central axis line (C1) of the chuck (8) and the workpiece central axis line (C2) of the workpiece (11) positioned on a single line. The orientation of a workpiece (11)-holding means (53) of a conveyance means (56) for conveying the workpiece (11) between the set means (41) and the main shaft (4) is configured to be maintained when transferring the workpiece (11) between the holding means and the set means (41) and when transferring between the holding means and the chuck (8).

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First Claim

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Patent Owner(s)

  • CITIZEN MACHINERY CO., LTD.;CITIZEN WATCH CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Handa, Akira Saitama, JP 6 36
Nakazawa, Sakae Nagano, JP 4 13
Yanakawa, Shouzen Saitama, JP 1 2

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