Title:
REAMER
Document Type and Number:
Japanese Patent JP3915349
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a reamer capable of preventing damage to a bush supporting a tool main unit by a joint between pad members of a guide pad and a worked prepared hole of a workpiece.
SOLUTION: In this reamer, formed by providing a cutting blade 5 protruded to an external peripheral side of a tool main unit 1 of almost columnar shape rotated around an axial line C in its tip end part and providing a guide pad 8 protruded to the external peripheral side of the tool main unit 1 to be extended in a direction of the axial line C, the guide pad 8 is constituted by adding a plurality of pad members 8a, 8b connected in the direction of the axial line C. A joint 9 of each pad member 8a, 8b is diagonally crossed relating to the direction of rotation of the tool main unit 1 and formed so that at least one part of an external peripheral surface of the pad members 8a, 8b exists in the direction of rotation.
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Inventors:
Osamu Tsujimura
Masaharu Takiguchi
Otsuka Yuji
Masaharu Takiguchi
Otsuka Yuji
Application Number:
JP32329699A
Publication Date:
May 16, 2007
Filing Date:
November 12, 1999
Export Citation:
Assignee:
Mitsubishi Materials Corporation
International Classes:
B23D77/02; (IPC1-7): B23D77/02
Domestic Patent References:
JP11300524A | ||||
JP929616A | ||||
JP2001113413A | ||||
JP60103619U |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Yutaka Matsutomi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Takashi Watanabe
Masakazu Aoyama
Suzuki Mitsuyoshi
Yutaka Matsutomi
Kazuya Nishi
Yasuhiko Murayama
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