Invention Grant
- Patent Title: Machine tool
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Application No.: US16484028Application Date: 2017-02-07
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Publication No.: US11407071B2Publication Date: 2022-08-09
- Inventor: Takatoshi Sato
- Applicant: MAKINO MILLING MACHINE CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: MAKINO MILLING MACHINE CO., LTD.
- Current Assignee: MAKINO MILLING MACHINE CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Morrison & Foerster LLP
- International Application: PCT/JP2017/004442 WO 20170207
- International Announcement: WO2018/146728 WO 20180816
- Main IPC: B23C1/12
- IPC: B23C1/12 ; B23Q1/01 ; B23Q1/48 ; B23Q1/54 ; B23C1/00 ; B23Q1/62

Abstract:
A machine tool has: a main shaft head that supports the main shaft; a main shaft head support part which supports the main shaft head such that the main shaft head can rotate around a first axis that extends perpendicular to the main shaft axis of rotation; a first rotary feed shaft device which is provided in the main shaft head support part, and rotates and feeds the main shaft head around the first axis; a saddle which supports the main shaft head support part such that the main shaft head support part can rotate around a second axis that is perpendicular to the first axis and inclined with respect to the vertical direction; and a second rotary feed shaft device which is provided in the saddle, and rotates and feeds the main shaft head support part around a second axis of rotation.
Public/Granted literature
- US20190389016A1 MACHINE TOOL Public/Granted day:2019-12-26
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