Title:
NOVEL INTEGRATED SMALL ARM ROCK BREAKING TOOL
Document Type and Number:
WIPO Patent Application WO/2018/228007
Kind Code:
A1
Abstract:
A novel integrated small arm rock breaking tool, comprising a large arm (1), a small arm (2), a tooth seat (3) and a middle arm oil cylinder (4). The large arm (1) is hinged to the small arm (2); a cylinder body end of the middle arm oil cylinder (4) is hinged to the big arm (1), and the other end of the middle arm oil cylinder (4) is hinged to the small arm (2); the lower part of the small arm (2) has a crescent shape; and the tooth seat (3) is provided at the lower end of the small arm (2).
Inventors:
HU LING (CN)
Application Number:
PCT/CN2018/079381
Publication Date:
December 20, 2018
Filing Date:
March 17, 2018
Export Citation:
Assignee:
HU LING (CN)
International Classes:
E02F3/28; E02F3/39; E02F3/43
Foreign References:
| CN206591553U | 2017-10-27 | |||
| CN107366316A | 2017-11-21 | |||
| CN203684309U | 2014-07-02 | |||
| CN103669452A | 2014-03-26 | |||
| CN204225181U | 2015-03-25 | |||
| KR20160114009A | 2016-10-04 | |||
| KR20100024110A | 2010-03-05 |
Attorney, Agent or Firm:
TAHOTA LAW FIRM (CN)
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