Title:
CUTTING BLADE
Document Type and Number:
Japanese Patent JP2022133185
Kind Code:
A
Abstract:
To provide a cutting blade which can suppress damage to an end face contact area even if directly stacking and accommodating cutting blades.SOLUTION: A cutting blade 1 is fixed to a mount having a boss part and a blade support part including an annular end face contacting the cutting blade 1, and has an annular base 2 in which an open hole 21 is formed, and a cutting edge 3 formed on an outer periphery of the base 2. The cutting blade is fixed to the mount in such a manner that a nut 150 is fastened to the boss part in the state where the boss part is inserted in the open hole 21 and the end face and the base 2 are brought in contact with each other. The base 2 has: a mount contact surface 23 with an end face contact area 231 contacting the end face; and a not contact surface 24 which contacts a nut 150 on a side opposite to the mount contact surface 23. A recess 4 is formed in a first area 243 which faces the end face contact area 231 in the nut contact surface 24, and any other cutting blade 1 does not contact the end face contact area 231 when stacking the cutting blades 1.SELECTED DRAWING: Figure 2
Inventors:
MAEDA YUYA
MITANI SUNAO
ISHII TAKAHIRO
OGAWARA SATOSHI
MITANI SUNAO
ISHII TAKAHIRO
OGAWARA SATOSHI
Application Number:
JP2021032146A
Publication Date:
September 13, 2022
Filing Date:
March 01, 2021
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B24B45/00; B24D5/12; B24D5/16; H01L21/301
Attorney, Agent or Firm:
Sakai International Patent Office