Title:
ドリル装置
Document Type and Number:
Japanese Patent JP7173623
Kind Code:
B2
Abstract:
A drilling device is provided and has a driving assembly disposed on a base for rotating a plurality of drills. As such, a plurality of drills can be actuated synchronously at a time point to effectively improve the production efficiency and reduce the drilling cost.
Inventors:
Huang Jiande
Application Number:
JP2021009642A
Publication Date:
November 16, 2022
Filing Date:
January 25, 2021
Export Citation:
Assignee:
Zhao Zhao Co., Ltd.
International Classes:
B23B39/16; B23B47/00; B23B47/14
Domestic Patent References:
| JP2013018098A | ||||
| JP1143338U | ||||
| JP11216637A | ||||
| JP2000308954A | ||||
| JP2017209737A |
Foreign References:
| GB2163980A | ||||
| CN108213491A | ||||
| CN109382535A | ||||
| US4867618 |
Attorney, Agent or Firm:
Patent Attorney Imy International Patent Office