B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
77/10, 189/12, 7
B23B 49/00 (2006.01) B23B 41/00 (2006.01) E03F 3/00 (2006.01) F16L 47/00 (2006.01) F16L 55/18 (2006.01) F16L 55/26 (2006.01)
Patent
CA 1326895
ABSTRACT OF THE DISCLOSURE An apparatus for boring a hole, which affords communication between a first member and a second member connected to the first member, in the first member, comprises cutting means having a rotary axis, first drive means for shifting the cutting means along a first axis extending in the direction orghogonal to the rotary axis, second drive means for shifting the cutting means along a second axis orghogonal to the rotary axis and first axis, third drive means for rotating the cutting means about the rotary axis, detecting means for detecting a load acting on the cutting means and control means for controlling the first and second drive means to correct the position of the cutting means on the basis of a detecting signal provided from the detecting means so as to prevent an overload from acting on the cutting means.
592267
Isao Nemoto
Yamaoka Yuji
Kabushiki Kaisha Iseki Kaihatsu Koki
Moffat & Co.
Nemoto Kikaku Kogyo Kabushiki Kaisha
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