US Patent 12011797 Spindle and cutting apparatus including the same
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US Patent 12011797 Spindle and cutting apparatus including the same
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Patent abstract
A spindle includes a housing including a first opening, a bearing housed in the housing, a main shaft rotatably supported by the bearing, a collet chuck in a first through hole defined in the main shaft to grip a machining tool and being movable in an axial direction of the main shaft, a draw bar connected to the collet chuck, and a cover covering the first opening and including a second through hole through which the main shaft is disposed. The main shaft and the cover are disposed at a distance from each other.
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Patent Number
Patent Inventor Names
Gota Yamamoto0
Kazuhito Miyamoto0
Date of Patent
June 18, 2024
0Patent Application Number
176805870
Date Filed
February 25, 2022
0Patent Citations
Patent Primary Examiner
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