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Title:
CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2022/124078
Kind Code:
A1
Abstract:
This cutting tool is provided with a shaft portion and a sensor portion arranged to surround a part of the shaft portion in the longitudinal direction. The sensor portion is provided with: a sensor module including a plurality of first sensors that detect a first physical quantity of the shaft portion, a substrate electrically connected to the first sensors, and a wireless communication unit that is electrically connected to the substrate and transmits a signal including information of the first physical quantity detected by the first sensors to the outside; and a case accommodating the sensor module. A region of the shaft portion surrounded by the sensor portion includes a first region having a polygonal shape with 4n sides viewed in a direction along the rotational axis, wherein n is a natural number of 2 or greater. When viewed in the direction along the rotational axis, the plurality of first sensors are arranged on, among the faces on an outer peripheral surface of the first region respectively corresponding to the 4n sides of the polygonal shape, at least two faces on the outer peripheral surface of the first region of which perpendicular lines passing through the rotational axis form an angle of 90° with each other.

Inventors:
KOIKE YUSUKE (JP)
KURIYAMA HIROMITSU (JP)
Application Number:
PCT/JP2021/043000
Publication Date:
June 16, 2022
Filing Date:
November 24, 2021
Export Citation:
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Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
B23Q17/09; B23B29/12; B23C9/00
Domestic Patent References:
WO2021044989A12021-03-11
WO2017002762A12017-01-05
WO2015056495A12015-04-23
Foreign References:
JP2019209420A2019-12-12
JP2019534795A2019-12-05
EP2051041A22009-04-22
US20160045994A12016-02-18
US20150261207A12015-09-17
JP2018054611A2018-04-05
JP2009285804A2009-12-10
JP5988066B12016-09-07
JP2015077658A2015-04-23
EP3292929A12018-03-14
EP3292930A12018-03-14
JP2016221665A2016-12-28
JP3170029U2011-09-01
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
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