Title:
CUTTING BLADE AND CUTTING BLADE ATTACHMENT MECHANISM
Document Type and Number:
Japanese Patent JP2021126723
Kind Code:
A
Abstract:
To enable a cutting blade to be easily attached to a blade mount.SOLUTION: A cutting blade 44 comprises an annular base 48 having an attachment hole 50 formed at a center part, and a cutting blade 52 provided at an outer periphery of the annular base. The annular base includes a ferromagnetic body. A blade attachment mechanism 55 is configured to attach the cutting blade, which has the annular base including a first ferromagnetic body and having the attachment hole formed at the center part and the cutting blade provided at the outer periphery of the annular base, to a spindle 54, which comprises a blade mount 70 that is attached to a tip of the spindle. The blade mount comprises a boss part 72 that is inserted into the attachment hole of the annular base and a flange part 74 protruding in a radial direction from a rear end of the boss part and comprising an annular support surface supporting a rear surface side of the annular base of the cutting blade. The flange part includes a second ferromagnetic body, which can attach the cutting blade to the blade mount by magnet acting on a space between the annular base and the flange part.SELECTED DRAWING: Figure 4
Inventors:
HASHIMOTO HIROKIMI
Application Number:
JP2020022015A
Publication Date:
September 02, 2021
Filing Date:
February 13, 2020
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B24D5/12; B24B45/00; H01L21/301
Attorney, Agent or Firm:
Akira Matsumoto
Tomohiro Okamoto
Kasahara Takahiro
Ei Okamoto
Takayuki Okano
Tomohiro Okamoto
Kasahara Takahiro
Ei Okamoto
Takayuki Okano