Solid material comminution or disintegration – Apparatus – Combined or convertible
Patent
1980-10-24
1983-03-22
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Combined or convertible
241143, 241227, 474 86, B02C 442
Patent
active
043772609
ABSTRACT:
A roller mill has two pairs of parallel rolls, each pair comprising fast and slow rolls driven in opposite directions. In a flour mill, wheat is ground between each pair of rolls to produce flour. A drive motor drives a first one of the fast rolls through a V-belt drive. The driven fast roll drives the second fast roll through a 1:1 endless chain drive. The slow rolls are driven in an opposite direction and at a slower speed than the fast rolls by a serpentine chain drive engaged with a slow roll, a fast roll, and the other slow roll, in that order. Both chain drives are arranged next to each other at one end of the roller mill and are housed in a common oil bath housing containing oil for lubricating the drive chains. The chain drive eliminates the need for a lineshaft and drive pulleys, as well as a jackshaft and idler pulleys, and associated bearings and guarding that are normally used with a prior art belt-driven roller mill.
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patent: 2195105 (1940-03-01), Watt
patent: 2549501 (1951-04-01), McClelland
patent: 2966746 (1961-01-01), Mellbin
patent: 3132739 (1964-05-01), Jakobsson et al.
patent: 3965764 (1976-06-01), Avramidis
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