FIELD: forestry. SUBSTANCE: bush cutter hydraulic cylinder for releasing tractor hitch. Piston cavities of working tool hydraulic cylinder and hydraulic tractor hitch releasing cylinder are interconnected through bypass valve. Piston cavity of working tool hydraulic cylinder is connected to one of slide valves of tractor hydraulic distributor through return valve facing hydraulic cylinder with its closed side. Piston cavity of tractor hitch releasing cylinder is connected to other slide valve of tractor hydraulic distributor through additional bypass valve. EFFECT: increased efficiency and enhanced reliability in operation of bush cutter. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BRUSH CUTTER | 1997 |
|
RU2149535C1 |
| BRUSH CUTTER | 1994 |
|
RU2102867C1 |
| STUMP PULLER | 1997 |
|
RU2157618C2 |
| BRUSH CUTTER | 1997 |
|
RU2153797C2 |
| FORESTRY AND TIMBER MACHINE | 1995 |
|
RU2118262C1 |
| BRUSH CUTTER | 1993 |
|
RU2048748C1 |
| BRUSH CUTTER | 1991 |
|
RU2041614C1 |
| METHOD FOR FORESTRY DEVELOPMENT OF RADIO ACTIVE NUCLIDE CONTAMINATED SOILS | 1993 |
|
RU2078498C1 |
| BRUSH CUTTER | 0 |
|
SU655360A1 |
| TREE-PLANTING MACHINE | 1995 |
|
RU2121256C1 |
