Title:
BOLT HAVING OPENING
Document Type and Number:
WIPO Patent Application WO/2021/230420
Kind Code:
A1
Abstract:
Provided is a bolt which includes a head part and a screw part so as to be fastened to a structure through the screw part while rotating by means of a tool, and which comprises: a coupling groove which is formed in the shape of a groove having a cross section corresponding to the tool, and which is formed at the head part or the screw part to permit coupling of the tool thereto; and an opening, which is formed in a hole shape at a portion of the coupling groove to expose, to the outside of the head part or the screw part, at least a portion of the tool coupled to the coupling groove.
Inventors:
IM CHANG GI (KR)
Application Number:
PCT/KR2020/008506
Publication Date:
November 18, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
BOLTS ONE CO LTD (KR)
International Classes:
F16B35/06; F16B23/00; F16B39/282
Domestic Patent References:
| WO2010024026A1 | 2010-03-04 |
Foreign References:
| JP2006046624A | 2006-02-16 | |||
| KR870005425A | 1987-06-08 | |||
| KR20040010166A | 2004-01-31 | |||
| US4445264A | 1984-05-01 | |||
| KR19990009107A | 1999-02-05 |
Attorney, Agent or Firm:
ISQUARE PATENT & LAW FIRM (KR)
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