Title:
リッパシャンクおよびリッパ装置
Document Type and Number:
Japanese Patent JP7139033
Kind Code:
B2
Abstract:
To provide a ripper shank capable of suppressing the occurrence of cracks and a ripper device including the ripper shank.SOLUTION: A ripper shank 10 includes a main body portion 12 and an insertion portion 13 that is continuous from the main body portion 12 and is inserted into a recessed portion 22 formed in a ripper point 20 of a work machine. The insertion portion 13 includes a base portion 18 and a high hardness portion 19 that is formed in a region including the surface of the insertion portion 13 and has a higher hardness than the base portion 18.SELECTED DRAWING: Figure 2
Inventors:
Takanori Nagata
Daijiro Tanaka
Dan Yumoto
Shohei Ohsheng
Daijiro Tanaka
Dan Yumoto
Shohei Ohsheng
Application Number:
JP2018033448A
Publication Date:
September 20, 2022
Filing Date:
February 27, 2018
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E02F5/32
Domestic Patent References:
| JP49119101U | ||||
| JP2017206852A | ||||
| JP7017852U | ||||
| JP10252106A | ||||
| JP4138453U | ||||
| JP2004092208A |
Foreign References:
| US5144762 |
Attorney, Agent or Firm:
Shuhei Kitano