Trenching machine for cutting preferably frozen ground
Disclosed is a trenching machine comprising a vehicle of a tractor type, a drive mechanism, a spoil discharge conveyor assembly, and a digging apparatus including a boom connected with its one end to the vehicle, a power means for raising and lowering the boom, a guide means mounted on the boom, a carrying means moving along the guide means, teeth mounted on the carrying means along alternate first cutting lines and second cutting lines in the direction of movement of the carrying means, the number of the teeth mounted along the first cutting lines being greater than that of the teeth mounted along the first cutting lines across the width of the carrying means being greater than the width of the teeth mounted along the second cutting lines.
- Assignee:
- Leningradskoe Nauchno-Proizvodstvenne Obiedinenie Zemleroinogo Mashinostroenie
- Patent Number(s):
- US 4432584
- OSTI ID:
- 6875986
- Resource Relation:
- Patent File Date: Filed date 31 Aug 1981; Other Information: PAT-APPL-297912
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
EARTHMOVING EQUIPMENT
DESIGN
ENERGY EFFICIENCY
CONVEYORS
CUTTING TOOLS
HYDRAULICS
SUPPORTS
EFFICIENCY
EQUIPMENT
FLUID MECHANICS
HAULAGE EQUIPMENT
MATERIALS HANDLING EQUIPMENT
MECHANICAL STRUCTURES
MECHANICS
TOOLS
420206* - Engineering- Mining & Drilling Equipment & Facilities- (1980-1989)