Mining or in situ disintegration of hard material – Hard material disintegrating machines – Rotary cutter head with advance direction coincident or...
Patent
1987-07-23
1989-07-18
Massie, IV, Jerome W.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Rotary cutter head with advance direction coincident or...
37190, 198513, 299 57, F21C 4700, F21C 4702
Patent
active
048488445
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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Bagnell David J.
Ljungman Nils H.
Mannesmann Aktiengesellschaft
Massie IV Jerome W.
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