Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CUTTER
Document Type and Number:
WIPO Patent Application WO/2020/183715
Kind Code:
A1
Abstract:
In the present invention, a cutting blade (6a) is disposed at a tip end outer periphery of a cutter body (1) that rotates about an axis (O), and an attachment hole (7) is formed in a center part of the cutter body (1), the attachment hole penetrating the cutter body (1) along the axis (O). The attachment hole (7) has: an opening part (7a) that opens to the tip end of the cutter body (1); an accommodation part (7b) that is formed at a rear end side of the opening part (7a) and that is capable of accommodating a head part (12a) of a bolt (12) with a head part; and a female threaded section (7c) having threads cut into an inner circumferential section. An attachment member (18) having, at an outer circumferential section, a male threaded section (18c) that can be screwed together with the female threaded section (7c), is attached to the female threaded section 7(c). A through -hole (18g), which has an inner diameter that is smaller than that of the head part (12a), and into which a threaded section (12c) of the bolt (12) with the head part can be inserted when the head part (12a) is accommodated in the storage part (7b), is formed in the attachment member (18).

Inventors:
HAGIWARA TAKAYUKI (JP)
ISHIMORI SHIGERU (JP)
NAGAYA HIDEHIKO (JP)
HOKI HIROSHI (JP)
Application Number:
PCT/JP2019/010605
Publication Date:
September 17, 2020
Filing Date:
March 14, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
B23C5/26
Foreign References:
JP2019042882A2019-03-22
JPS537619B11978-03-20
JPH05200618A1993-08-10
CN107457440A2017-12-12
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
Download PDF:



 
Previous Patent: SEWING MACHINE

Next Patent: AIR CONDITIONER