Title:
DEPTH ADJUSTMENT STOPPER FOR DRILL BIT
Document Type and Number:
WIPO Patent Application WO/2018/169205
Kind Code:
A1
Abstract:
The present invention relates to a depth adjustment stopper for a drill bit. The present invention enables easy workability during forming of a drilled groove having a fixed depth into a material by means of a drill bit. The depth adjustment stopper coupled to the drill bit is supported by means of the tension of a spring. Therefore, the depth adjustment stopper is prevented from shaking or being pushed.
Inventors:
LEE JAE YEOL (KR)
Application Number:
PCT/KR2018/001417
Publication Date:
September 20, 2018
Filing Date:
February 02, 2018
Export Citation:
Assignee:
LEE JAE YEOL (KR)
International Classes:
B23B51/00; B23B47/00
Foreign References:
| JPH0639313U | 1994-05-24 | |||
| KR20160002084A | 2016-01-07 | |||
| JPH0418613Y2 | 1992-04-24 | |||
| KR20170017277A | 2017-02-15 | |||
| JP2005169591A | 2005-06-30 |
Other References:
See also references of EP 3597337A4
Attorney, Agent or Firm:
KIM, Youngkwan (KR)
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