Small-sized hydraulic excavator
US10036136B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2017 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | Mar 2, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/2267
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A floor support frame (8) is provided with a left side pilot valve (21). The left side pilot valve (21) is provided with a left side operating pedal (23) that is foot-operated. The left side operating pedal (23) is configured of a first foot board (26) that is mounted on the left pilot valve (21) to be rotatable in an upper-lower direction, a shaft (27) that is mounted in a rear portion of the first foot board (26), and a second foot board (28) that is mounted through the shaft (27) on the first foot board (26) to be rotatable in a horizontal direction. The second foot board (28) is rotatable between a storage position of overlapping the first foot board (26) and a use position of being rotated in the rear side of the first foot board (26). An operation regulating mechanism (29) is provided in the front side of the first foot board (26) to be engaged to the second foot board (28) when the second foot board (28) is rotated to the storage position to regulate a foot operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.