Patent
1975-11-26
1977-09-13
Hornsby, Harvey C.
259DIG42, 259 54, B01F 1100, B08B 312, B01F 900, B01F 1300
Patent
active
040477045
ABSTRACT:
The shaking machine comprises a frame in the form of a base in which there is mounted a driving motor which rotates two vertically oriented shafts on which at least two supports are mounted in vertically spaced relation. Each support has two bearing bodies, each having a central bore receiving an eccentric member rotatable with a respective shaft so that, as the shafts are rotated, all points of each support execute horizontal circular movements at mutually equal velocities along paths having mutually equal radii. In one embodiment of the invention, a respective sector shape balance body is mounted for rotation, about a vertical axis at the center of gravity of the support. The eccentric secured to one shaft is in the form of a gear which is connected by a gear belt to a gear secured to rotate with the balance body. In another embodiment of the invention, each shaft has secured thereto, with respect to each support, a respective sector shape balance body. The balance bodies, in both embodiments, have dimensions such that the inertia forces occurring during operation of the machine, and the torques produced thereby, substantially compensate each other.
REFERENCES:
patent: 3032200 (1962-05-01), Miller
patent: 3430926 (1969-03-01), Freedman
Hornsby Harvey C.
Infors AG
Pous Robert
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