Overburden excavator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 18, 1989
Grant Date -
N/A
app pub date -
Jul 23, 1987
filing date -
Jul 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The two ends of the luffable and swivelable arms of the gantry of an overburden excavator each have a horizontal bolt for a frame of the drive, on the axis of rotation or drive shaft of which is mounted a rotary cutter in the form of a cutter drum. The rotary cutters are disposed on both sides of a receiving conveyor. The axes of rotation of the shafts rotating the rotary cutters are oriented approximately parallel to the plane of symmetry (longitudinal axis) of the receiving conveyor belt. The angle of the rotary cutter axis can be adjusted in relation to the plane of the roadway by the length adjuster in the form of a hydraulic or pneumatic cylinder, which is located between a bearing lug of the arm and a bearing lug of the frame. The rotary cutters transport the material via transverse conveyors to the converyor belt.
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