(57) A vibratory material handling apparatus is provided for mixing of materials, cleaning,
blending and/or shake-out of castings or the like. The machine comprises a horizontal
container carried by a frame resiliently mounted on a foundation. A vibration generator
is carried by the container and produces a line of force along an axis which passes
exteriorly of the container or intersects with the container but offset from the center
of gravity of the container. The vibration generator is adjustable on the container
so that the direction of the line of vibratory force can be changed for changing the
tumbling, mixing, cleaning, blending or shake-out characteristics of the machine.
The relative movement between the inside of the container and the material in the
container describes angles of attack with the container surface which movements are
rotational about a center of rotation. A line from the center of rotation through
the center of gravity of the container intersects the line of force from the vibration
generator at a substantially right angle.
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