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Self-centering holder for optical devices and the like

Image Number 3 for United States Patent #4938489.

A holder for an optical device such as a lens includes a frame and a plurality of arms pivotably attached to the frame. A resilient member urges the arms toward a closed position in which the arms meet at a common center within the frame. Linking members insure that the arms move simultaneously. The arms are moved away from the common point to accept and secure the optical device.

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