Title:
HUB TYPE BLADE FITTING STRUCTURE
Document Type and Number:
Japanese Patent JP2021192946
Kind Code:
A
Abstract:
To provide a hub type blade fitting structure which enables easy fitting of a hub type blade to a rotary drive shaft with a simple structure, and a substrate cutting device.SOLUTION: A hub type blade fitting structure comprises: a rotary drive shaft which is rotated around an axis, and on a tip side of which a blade fitting shaft, to which a hub type blade is attached, is formed; and a blade fitting member which fixes the hub type blade attached to the rotary drive shaft on the tip side of the blade fitting shaft. The fitting structure has blade pressing means which is located on a base end side of the blade fitting shaft, to which the hub type blade is attached, in the rotary drive shaft, and presses an area including a circumference with the axis as a center that is corresponding to an outer peripheral edge part of a hub of the hub type blade in a radial direction. The blade pressing means is formed integrally with the rotary drive shaft, and a blade body of the hub type blade is pressed by the blade pressing means.SELECTED DRAWING: Figure 1
Inventors:
HOSHI JUNJI
TSUKAMOTO SAKI
YAMANAKA NORIYUKI
TSUKAMOTO SAKI
YAMANAKA NORIYUKI
Application Number:
JP2021143275A
Publication Date:
December 23, 2021
Filing Date:
September 02, 2021
Export Citation:
Assignee:
TOKYO SEIMITSU CO LTD
International Classes:
B24B45/00; B24D5/12; B24D5/16; H01L21/301
Domestic Patent References:
| JP2018187729A | 2018-11-29 | |||
| JP2010036291A | 2010-02-18 | |||
| JP2016221637A | 2016-12-28 |
Attorney, Agent or Firm:
Field Saki Satoshi
Shingo Suzuki
Fumihiro Hosokawa
Shingo Suzuki
Fumihiro Hosokawa