Gear cutting – milling – or planing – Milling – Machine frame
Reexamination Certificate
2007-05-22
2007-05-22
Ashley, Boyer D. (Department: 3722)
Gear cutting, milling, or planing
Milling
Machine frame
C409S230000, C310S012060
Reexamination Certificate
active
10845349
ABSTRACT:
A linear motor actuated machine tool includes a bed, a column, upper and lower X-axis guides, a saddle, upper and lower X-axis linear motor magnets, and upper and lower X-axis linear motor coils. Upper and lower X-axis guides are attached to the upper and lower portion of front surface of the column, which is mounted on the bed in the vertical direction, in the horizontal direction. Upper and lower X-axis linear motor magnets is fixed on the front surface of the column at upper side and lower side of the upper and lower X-axis guides in the direction of X-axis with making pole surfaces thereof face to frontward. Upper and lower X-axis linear motor coils are fixed to upper end and lower end of the rear surface of the saddle, which is mounted on the front surface of the column with being guided by upper and lower X-axis guides and having a through space at the center portion thereof, with opposing to upper and lower X-axis linear motor.
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Achiwa Fumitaka
Imanishi Kozo
Wakazono Yoshio
Ashley Boyer D.
Ross Dana
Toyoda Koki Kabushiki Kaisha
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