Title:
ROTATION TOOL INSTALLATION AND REMOVAL DEVICE AND SAID ROTATION TOOL
Document Type and Number:
WIPO Patent Application WO/2011/099100
Kind Code:
A1
Abstract:
Provided is a rotation tool or the like such that even if high rotational torque acts, plastic deformation does not tend to occur. A rotation tool (B) is configured in such a way that the tip section is provided with a blade section (14) wherein an edge is disposed in such a way as to face in the direction of the tip section; that the base end section is provided with a shank section (11) which is mounted in a mounting hole (1) in an arbor (A); that the shank section (11) is provided with an engagement recess (15) which engages with an anchoring member (2) that is disposed in the arbor in such a way as to be capable of protruding radially inward from the mounting hole (1), and a passage recess (18) capable of introducing the anchoring member into the engagement recess (15); and that thereby the rotation tool (B) is prevented from coming out of the arbor (A). A groove (16) with which a protrusion (3) formed in the mounting hole (1) in the arbor (A) engages in a surface contact manner, is formed in that area of the section (11) where the engagement recess (15) is not formed or where the same is formed.
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Inventors:
MIYANAGA, Masaaki (())
Application Number:
JP2010/006294
Publication Date:
August 18, 2011
Filing Date:
October 25, 2010
Export Citation:
Assignee:
KABUSHIKI KAISHA MIYANAGA (2393, Fukui Miki-sh, Hyogo 33, 〒6730433, JP)
株式会社ミヤナガ (〒33 兵庫県三木市福井２３９３番地 Hyogo, 〒6730433, JP)
株式会社ミヤナガ (〒33 兵庫県三木市福井２３９３番地 Hyogo, 〒6730433, JP)
International Classes:
B23B31/02; B23B31/107; B23Q3/12
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (3rd Fl, Bo-eki Bldg. 123-1 Higashimachi, Chuo-ku, Kobe-sh, Hyogo 31, 〒6500031, JP)
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Claims: