Title:
HYDRAULIC BREAKER CHISEL
Document Type and Number:
WIPO Patent Application WO/2022/169070
Kind Code:
A1
Abstract:
The present invention provides a hydraulic breaker chisel installed inside a hydraulic breaker and struck by a reciprocating piston, the hydraulic breaker comprising: a chisel body having a shaft structure and having a cone-shaped crushing portion on the bottom end thereof; and a stress distributing part provided with concavities and convexities, on which a plurality of grooves and protrusions are alternately formed in the length direction, on the outer peripheral surface of the chisel body, to distribute a stress wave, transferred from the top to the bottom of the chisel body due to striking of the piston, and a stress wave transferred from the bottom to the top of the chisel body due to striking of an object to be crushed by the crushing portion.
More Like This:
Inventors:
JEONG MUN GYO (KR)
Application Number:
PCT/KR2021/015967
Publication Date:
August 11, 2022
Filing Date:
November 05, 2021
Export Citation:
Assignee:
MAPP CO LTD (KR)
International Classes:
E02F5/30; E01C23/12; E02F5/32
Foreign References:
| KR20090008695U | 2009-08-28 | |||
| KR102035799B1 | 2019-10-24 | |||
| KR102031090B1 | 2019-10-11 | |||
| JP2009062700A | 2009-03-26 | |||
| KR20090119614A | 2009-11-19 | |||
| KR101712553B1 | 2017-03-06 |
Attorney, Agent or Firm:
TAEBAEK INTELLECTUAL PROPERTY LAW FIRM (KR)
Download PDF: