Blade stabilizing linkage for a bulldozer
US4135584A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1977 |
| Grant date | Jan 23, 1979 |
| Priority date | — |
| Expiry date | Sep 19, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/7618
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bulldozer including a vehicle frame, a dozer blade forwardly of the frame, a lift linkage movably secured to the frame and including two spaced arms extending longitudinally of the frame and connected to the blade, at least one motor connected to the frame and to one of the blade and the lift linkage for selectively elevating the blade relative to the frame, and a stabilizing linkage interconnecting the frame and one of the blade and the lift linkage including a first link mounted intermediate its ends on the frame for rotation about an axis extending longitudinally of the frame, and second and third elongated links each having an end pivoted to the first link on opposite sides of the axis and extending in opposite directions therefrom, the other ends of the second and third links being pivoted to one of a corresponding arm and blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.