Drum cutter-loader for underground mining machine
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United States of America Patent
Stats
-
Dec 26, 1989
Grant Date -
N/A
app pub date -
Oct 24, 1988
filing date -
Nov 14, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a drum cutter-loader underground mining machine, wherein the drum is rotatably carried by an arm arranged adjacent to the coal face side of the machine. The arm is pivotally adjusted by a number of pressure cylinders and carried on an axis arranged between a machine body and a housing of a drive motor for the drum. The cylinders are carried by the machine body on a common axis with their piston rods connected to the housing on a common axis, the pivot axes of the arm, cylinders and the piston rod connections being parallelly arranged.
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