Apparatus for simultaneously vibrating specimens in multiple dir

Details Apparatus for simultaneously vibrating specimens in multiple dir Apparatus for simultaneously vibrating specimens in multiple dir

1986-12-22

1988-06-07

Levy, Stewart J.

Measuring and testing

Vibration

Vibrator

B06B 104

Patent

active

047488514

ABSTRACT:
Apparatus and method for vibrating a specimen in multiple directions. Exciters for vibration in the X and Y orthogonal directions are coupled to shafts extending through orifices in the hollow vibrator to X and Y control plates on the inside of the vibrator in contact with the interior walls thereof to move the vibrator in X and Y directions. A Z-axis exciter is coupled to the base of the vibrator for moving it in the Z-axis direction. The orifices for the X and Y-axis exciter shafts are sufficiently large to allow Z-axis movement of the vibrator without affecting the motions of the X and Y shafts.

REFERENCES:
patent: 4436188 (1984-03-01), Jones
patent: 4498343 (1985-02-01), Kimball

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