Supporting chassis for a working machine such as a mechanical shovel
US4361242A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1980 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Sep 25, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to the chassis of a public works machine, constituted by a central frame joined with two side-members. After assembly with the two side-members, the central frame constitutes a girder comprising a lower plate, an upper plate, two cross-plates, and two longitudinal plates, which plates are joined together as follows: PA0 each cross-plate to the upper plate, to the lower plate and to each one of the longitudinal plates, PA0 and the upper plate and the lower plate to the longitudinal plates, so as to constitute a closed compartment. The invention finds an application in the construction of a chassis for a mechanical shovel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.