Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1978-04-12
1980-05-20
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
241248, 2412591, 2412611, B02C 718
Patent
active
042035589
ABSTRACT:
A household cereal mill is constructed wth the axis of symmetry of coaxial stationary and rotatable millstones in a horizontal alignment. The driveshaft for the rotating millstone passes through the center of the stationary millstone, and the bearing bushings supporting the driveshaft are inserted into the fixed or stationary millstone. Grain is fed into the conically expanding milling gap between the millstones from above, through a supply channel passing through the matrix of the stationary millstone at a location above the intersection of the apex of the milling gap cone and the centerline of the driveshaft. A spiral spring is employed as a conveyor worm for feed kernels, and is affixed on the outer surface of the driveshaft in a position underlying the supply passage. The milling gap is made adjustable by an adjusting nut screwed onto the outer end of the cantilevered driveshaft segment supporting the rotating millstone, which is slideably positioned on the driveshaft, and keyed thereto for rotational engagement. The end of the driveshaft protruding from the stationary millstone may be adapted for manual drive, to engage the output shaft of a kitchen utensil drive machine, or may be adapted for drive, directly or through a transmission, by an electric motor forming an integral part of the mill assembly.
REFERENCES:
patent: 3952958 (1976-04-01), Rich
patent: 4037798 (1977-07-01), Schnitzer
patent: 4082234 (1978-04-01), Hoffman
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