Title:
CLAMP ASSISTANT MEMBER AND CUTTING TOOL INCLUDING CLAMP ASSISTANT MEMBER
Document Type and Number:
WIPO Patent Application WO/2011/111198
Kind Code:
A1
Abstract:
Provided is a clamp assistant member that has a simple shape, that is inexpensive to manufacture, that is applicable also to small-diameter tools, and that provides excellent workability at the time of replacing a cutting insert. Also provided is a cutting tool that includes said clamp assistant member. To achieve the above, the clamp assistant member has an engagement section for engagement with a clamping screw, has a ring shape with a portion thereof completely cut out, and deforms elastically and expands in outer diameter when a force is applied from the head of the clamping screw to the upper section of the inner circumferential surface. A cutting insert is attached to a tool body by means of the clamp assistant member.
Inventors:
YOSHIOKA, Shiro (11-1 Yoshima-Kogyodanchi, Iwaki-sh, Fukushima 44, 〒9701144, JP)
Application Number:
JP2010/054058
Publication Date:
September 15, 2011
Filing Date:
March 10, 2010
Export Citation:
Assignee:
TUNGALOY CORPORATION (11-1, Yoshima-Kogyodanchi Iwaki-sh, Fukushima 44, 〒9701144, JP)
株式会社タンガロイ (〒44 福島県いわき市好間工業団地１１－１ Fukushima, 〒9701144, JP)
株式会社タンガロイ (〒44 福島県いわき市好間工業団地１１－１ Fukushima, 〒9701144, JP)
International Classes:
B23C5/22; B23B27/16
Attorney, Agent or Firm:
TANI, Yoshikazu et al. (6-20, Akasaka 2-chomeMinato-ku, Tokyo 52, 〒1070052, JP)
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Claims: