Stiffleg construction for power shovels
US4389152A · kind A · utility
3Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1981 |
| Grant date | Jun 21, 1983 |
| Priority date | — |
| Expiry date | Aug 31, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/308
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A stiffleg for a power shovel generally consisting of a pair of transversely spaced, longitudinally disposed side beams each having an I-shaped cross-sectional configuration including upper and lower flange portions and an interconnecting web portion, a cross-piece section interconnecting said side beam sections and a web section interconnecting the web portions of said side beam sections, apparatus for operatively connecting one end thereof to a support unit and apparatus for operatively connecting a dipper handle thereto.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.