Hydraulic excavator
US9556585B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 8, 2014 |
| Grant date | Jan 31, 2017 |
| Priority date | — |
| Expiry date | May 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hydraulic excavator capable of achieving prevention of interference between an exhaust gas treatment device and a counterweight and suppression of lowering in operability at the time of lifting of a counterweight is provided. An auxiliary plate is provided to be attachable to and detachable from a counterweight. The auxiliary plate is superimposed on the exhaust gas treatment device in a plan view while it is attached to the counterweight. The counterweight has a plurality of holes for lifting formed in an upper surface. The hole for lifting is formed in the auxiliary plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.