Dispensing – Agitator followed by discharge assistant and/or... – All rotary
Patent
1984-12-06
1987-11-24
Rolla, Joseph J.
Dispensing
Agitator followed by discharge assistant and/or...
All rotary
222241, 222271, 222333, 222342, 222413, 366 81, 366157, 366158, 366186, G01F 1120
Patent
active
047082682
ABSTRACT:
There is provided a method and apparatus for the accurate volumetric feeding of materials which require agitation to induce flow, the apparatus includes a hopper for containing said materials including a lower horizontally disposed, cylindrically shaped trough portion, an adjustably feed opening for feeding said material from said hopper disposed at a first end of said lower trough portion, a feeder assembly comprising a plurality of radially extending material working tools circumferentially mounted at equal angular displacements along a rotatable shaft and a feed helix longitudinally mounted on said shaft. The feeder assembly is disposed longitudinally in the lower trough portion and the shaft thereof defines the center of said trough portion. The material working tools are double wedge shaped having substantially triangularly shaped sides converging toward each other at their connection to the shaft and converging toward each other to define a forward or leading edge in the direction of rotation of the tool. The bottom surfaces of the tools are recessed from the bottom edges of the triangularly shaped sides.
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patent: 3941357 (1976-03-01), Wurtz
patent: 4335964 (1982-06-01), Drake et al.
Bollinger David H.
Rolla Joseph J.
Willow Technology, Inc.
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