New Brunswick Scientific Co., Inc.

James Bright

Alan L Husson

Myron Tannenbaum

Michael A Gut

A shaker apparatus having a platform for carrying a load, a supporting base disposed beneath said platform, drive means carried by the base and operatively connected with the platform to provide horizontal shaking of the platform in an orbital motion with respect to the base, eccentric idler devices connecting the base to the platform for maintaining the platform in a substantially planar orbit substantially parallel to the base during the horizontal shaking of the platform and to eliminate backlash, and alignment elements associated with the eccentric idler devices to prevent the transmission of rigid, non-yielding force loadings between the platform and the base through one of the eccentric idler devices when the force loadings are generated at another of the eccentric idler devices or by the drive means. A second embodiment includes alignment and support structure to prevent transmission of rigid, non-yielding force loadings and to support the platform.

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East Brunswick, NJ, United States of America

James Bright