Title:
同じ円錐角を有する２つの離間した円錐当接面を有するねじ取付部分を備えた交換可能な切削ヘッド、工具ホルダ及び回転切削工具
Document Type and Number:
Japanese Patent JP6916745
Kind Code:
B2
Abstract:
A replaceable cutting head includes a forward cutting portion and a rearward mounting portion. The mounting portion includes a male coupling member that protrudes rearwardly from a head base surface. The male coupling member includes forward and rearward bearing portions and an external thread located therebetween. The forward and rearward bearing portions include respective conically shaped forward and rearward head abutment surface. The forward and rearward head abutment surfaces have the same cone angle. When a cutting tool, including said cutting head and a tool holder having a female coupling member, is in a locked position, the external thread is threadingly engaged in the female coupling member and the forward and rearward head abutment surfaces conically abut corresponding conical shaped surfaces in the female coupling member.
Inventors:
Hect, Gil
Application Number:
JP2017566703A
Publication Date:
August 11, 2021
Filing Date:
July 21, 2016
Export Citation:
Assignee:
Iscal limited
International Classes:
B23B31/11; B23B51/00; B23C5/22; B23D77/00
Domestic Patent References:
| JP2015024491A | ||||
| JP2003532844A | ||||
| JP2009061546A |
Foreign References:
| US20010013266 | ||||
| WO2015058881A1 | ||||
| US20150217380 | ||||
| WO2013146882A1 |
Attorney, Agent or Firm:
Yoshiyuki Inaba
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito
Toshifumi Onuki
Akihiko Eguchi
Kazuhiko Naito