Cushion link and hydraulic stabilizer for bulldozer blade
US4133392A · kind A · utility
9Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1977 |
| Grant date | Jan 9, 1979 |
| Priority date | — |
| Expiry date | Sep 29, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F3/80
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A bulldozer blade mounting assembly is provided for mounting a bulldozer blade on the front of a tractor. The mounting assembly includes a push frame connected between the tractor and the lower portions of the blade. A combined cushioning and stabilizing linkage assembly is provided with a link extending diagonally between each push arm of the push frame and the upper rear corner portions of the blade. The stabilizers on each link are interconnected with a closed loop hydraulic system so as to ensure that any deflection in one link must also occur in the opposite link.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.