Title:
TOOL HOLDER
Document Type and Number:
Japanese Patent JP2018192565
Kind Code:
A
Abstract:
To provide a tool holder which can absorb stress applied on a tool with a simple structure.SOLUTION: An elastic part 230 passes through between a main body part inner peripheral surface 240 and a main body part outer peripheral surface 250 of a main body part 200, includes a plurality of first air gaps extending along a circumferential direction and a plurality of second air gaps extending along an axial direction, and is structured so as to elastically deform in the axial direction and the circumferential direction. A collar 410 is structured so as to move along the axial direction by interlocking with elastic deformation of the elastic part 230 along the axial direction. An O-ring 461 is arranged between a rear end part of the collar 410 and the main body part outer peripheral surface 250. A support member 420 is structured so as to move along the axial direction by interlocking with movement of a rear end part of the tool 10 along the axial direction. An O-ring 462 is arranged between a rear end part of the support member 420 and the main body part inner peripheral surface 240.SELECTED DRAWING: Figure 1
Inventors:
ISHIKAWA HITOSHI
Application Number:
JP2017098335A
Publication Date:
December 06, 2018
Filing Date:
May 17, 2017
Export Citation:
Assignee:
NT TOOL KK
International Classes:
B23G1/46
Domestic Patent References:
| JP2002046020A | 2002-02-12 | |||
| JP2018024065A | 2018-02-15 |
Foreign References:
| EP1839786A1 | 2007-10-03 | |||
| EP2106869A1 | 2009-10-07 |
Attorney, Agent or Firm:
Tetsuyuki Iwata
Toshiyuki Ikeda
Toshiyuki Ikeda