Title:
CHISEL ASSEMBLY HAVING MULTIPLE CHISEL BARS FOR BREAKER
Document Type and Number:
WIPO Patent Application WO/2013/141531
Kind Code:
A1
Abstract:
The present invention relates to a chisel assembly having multiple chisel bars for a breaker. To this end, the breaker comprises: a back head provided with a gas chamber; a cylinder which is connected to the lower part of the back head and has an embedded piston that is elevated by oil pressure; and a front head which is connected to the lower part of the cylinder and has an embedded chisel assembly that crushes bedrock by the striking of the piston, wherein the chisel assembly comprises: a chisel body having a stopper pin coupled to the outer surface thereof such that the chisel body can be returned upwards after the striking of the piston; and multiple chisel bars which are coupled to the chisel body and are exposed to the lower part of the front head.
Inventors:
YOON YOUNG DUG (KR)
Application Number:
PCT/KR2013/002153
Publication Date:
September 26, 2013
Filing Date:
March 18, 2013
Export Citation:
Assignee:
YOON YOUNG DUG (KR)
International Classes:
E21B1/36; E21B10/58
Foreign References:
| JPH09216177A | 1997-08-19 | |||
| KR20090007018U | 2009-07-13 | |||
| JP3023692U | 1996-04-23 | |||
| KR20030007596A | 2003-01-23 |
Attorney, Agent or Firm:
KIM, DAE YOUNG (KR)
κΉλμ (KR)
κΉλμ (KR)
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