Optical Associates, Inc.

Philip Cohen

Merwin K Alexander

Daniel J Meyer

In a bracket for an instrument, a swiveled yoke connects in a ball joint like coupling relationship to an extension that fastens to a support, and is useful for supporting an instrument in the category of a projector, or the like. The swivel socket provided to one end of the extension is separable, with a semicircular shoulder comprising part of an annulus provided in the upper portion of each socket half, and the socket having an extension spaced therebelow, and useful for securing the ball of the yoke therein for universal movement when the socket is assembled.

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Clayton, MO, United States of America

Philip Cohen