Title:
FIXING STRUCTURE AND CUTTING TOOL
Document Type and Number:
Japanese Patent JP2016221664
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a fixing structure capable of generating a stable fixing force even in a tool having a relatively small diameter, and to provide a cutting tool using the fixing structure.SOLUTION: There is provided a fixing structure in which an insertion part 30 is formed at the top of a head portion 10 being one member; the first taper faces 31 radially expanding as heading for the top are plurally formed at intervals on the outer peripheral face of the insertion part 30; a reception hole 51 is formed in a shank 50 being the other member; a second taper face radially expanding as heading for the bottom of the reception hole 51 is comprised on the inner wall of the reception hole 51; and plural fixed walls 53 having the average thickness thicker than that of the other portions are provided at intervals.SELECTED DRAWING: Figure 7
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Inventors:
KITA TATSUYA
SAJI RYUICHI
SAJI RYUICHI
Application Number:
JP2015113669A
Publication Date:
December 28, 2016
Filing Date:
June 04, 2015
Export Citation:
Assignee:
TUNGALOY CORP
International Classes:
B23D77/00; B23B29/04; B23B51/00; B23C5/00
Domestic Patent References:
JP2014226778A | 2014-12-08 | |||
JPS62124328U | 1987-08-07 | |||
JPS59105311U | 1984-07-16 | |||
JP2006234030A | 2006-09-07 |