Frame structure for construction machine
US7401673B2 · kind B2 · utility
8Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Sep 2, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/0081
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bulldozer is provided with a boat shaped main frame and a substantially U-shaped gate frame as a frame structure that mounts a cap having a rollover protection structure (ROPS) and forms the skeleton of the bulldozer. The gate frame is installed on the upper portion of the main frame, has a pair of left and right columns that are disposed along a substantially vertical direction, and has a beam that connects the upper ends thereof. Mount units for mounting the cab and stopper units for firmly grasping the cab are arranged on the upper surface of the beam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.