Title:
TOOL HOLDER
Document Type and Number:
Japanese Patent JP2017185587
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technology that enables a stress absorption mechanism part which absorbs stress applied to a tool to be simply formed and also enables reduction of an arrangement space.SOLUTION: A tool holder 100 has: a shank part 120; a tool holding part 140; and a stress absorption mechanism part 130 provided between the shank part 120 and the tool holding part 140. The stress absorption mechanism part 130 is formed by a cylindrical part 131 having a wall part extending in an axial direction and a rotation direction. Elastic deformation parts 135 which extend intersecting with the axial direction and the rotation direction and gap parts 136 are formed on the wall part of the cylindrical part 131.SELECTED DRAWING: Figure 2
Inventors:
ISHIKAWA HITOSHI
Application Number:
JP2016076490A
Publication Date:
October 12, 2017
Filing Date:
April 06, 2016
Export Citation:
Assignee:
NT TOOL KK
International Classes:
B23B31/08; B23B31/02; B23G1/46
Attorney, Agent or Firm:
Tetsuyuki Iwata
Toshiyuki Ikeda
Toshiyuki Ikeda