| 发明名称 | Hydraulic excavator | ||
| 摘要 | A hydraulic excavator basically includes a lower traveling unit, an upper revolving unit, a counterweight, a machine compartment, a first handrail, a second handrail and a pair of antenna supporting parts. The upper revolving unit is revolvably mounted on the lower traveling unit. The counterweight is disposed on the upper revolving unit. The machine compartment is disposed in front of the counterweight on the upper revolving unit. The first and second handrails are disposed on the machine compartment. The antenna supporting parts are configured to support a pair of antennas. The antenna supporting parts are respectively connected to the first and second handrails. | ||
| 申请公布号 | US8899365(B2) | 申请公布日期 | 2014.12.02 |
| 申请号 | US201213991813 | 申请日期 | 2012.11.13 |
| 申请人 | Komatsu Ltd. | 发明人 | Nishimura Minetaka |
| 分类号 | E02F9/26;E02F9/08;E02F9/24 | 主分类号 | E02F9/26 |
| 代理机构 | Global IP Counselors, LLP | 代理人 | Global IP Counselors, LLP |
| 主权项 | 1. A hydraulic excavator comprising: a lower traveling unit; an upper revolving unit revolvably mounted on the lower traveling unit; a counterweight disposed on the upper revolving unit; a machine compartment disposed in front of the counterweight on the upper revolving unit; a first handrail disposed on the machine compartment; a second handrail disposed on the machine compartment; a first antenna supporting part configured to support a first antenna; a second antenna supporting part configured to support a second antenna, the first antenna supporting part being connected to the first handrail and the second antenna supporting part being connected to the second handrail; and a passage formed on the machine compartment, the first and second antenna supporting parts being located on opposite sides of the passage relative to the first handrail and the second handrail as viewed from above. | ||
| 地址 | Tokyo JP | ||