Bowl mill
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United States of America Patent
Stats
-
Nov 10, 1987
Grant Date -
N/A
app pub date -
Nov 15, 1985
filing date -
Nov 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ball mill with a housing (1) that accommodates three stationary rollers (2) rolling along a rotating track (3). The rollers are held against the track by means of an upper and lower frame (9 & 10). The frames have springs (11) between them. Rods (8), each connected to a hydraulic cylinder (24) and extending out of the housing, engage the upper frame (9). To allow the rollers to be lifted off the track, a piston associated with the hydraulic cylinder can be charged at either end, the rollers are attached to the lower frame with hinges 25 and an angle-setting device, and the frames are connected by tension structures that limit the expansion of the springs.
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