Title:
GRINDING WHEEL JIG AND GRINDING WHEEL CASE
Document Type and Number:
Japanese Patent JP2022173891
Kind Code:
A
Abstract:
To provide a grinding wheel jig capable of inserting a bolt from a lower side of a mount when mounting a grinding wheel to the mount.SOLUTION: A grinding wheel jig to be used when a grinding wheel having an annular grindstone part disposed on one surface side of an annular base is mounted to a lower surface side of a disk-shaped mount attached to a lower end portion of a spindle includes: a bottomed cylindrical grindstone accommodating part that accommodates the annular grindstone part; an annular base accommodating part that is located on a side opposite to a bottom portion of the grindstone accommodating part in a height direction of the grindstone accommodating part, has an outside diameter greater than an outside diameter of the grindstone accommodating part, and is capable of accommodating at least a part of the base; and a plurality of cylindrical bolt accommodating parts provided at a bottom portion of the base accommodating part and each capable of accommodating a head part of a bolt. Each of the bolt accommodating parts has, at a bottom portion thereof, an opening in which a fastening tool is insertable into the head part of the bolt.SELECTED DRAWING: Figure 3
Inventors:
MAEDA YUTO
NAKATSUKA ATSUSHI
NAKATSUKA ATSUSHI
Application Number:
JP2021079935A
Publication Date:
November 22, 2022
Filing Date:
May 10, 2021
Export Citation:
Assignee:
DISCO ABRASIVE SYSTEMS LTD
International Classes:
B24B45/00; H01L21/304
Attorney, Agent or Firm:
Matsumoto
Tomohiro Okamoto
Takahiro Kasahara
Hideaki Okamoto
Takayuki Okano
Toshikazu Imato
Tomohiro Okamoto
Takahiro Kasahara
Hideaki Okamoto
Takayuki Okano
Toshikazu Imato
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