Importance

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Abstract

Alignment apparatus for use in conjunction with other equipment for alignment rolls on processing equipment comprising a housing having a central longitudinal axis and a coaxial central bore having a generally cylindrical inner surface and a plug having a generally cylindrical outer surface dimensioned so that the plug may be rotatably mounted in the central bore with a longitudinal axis of the plug in coaxial relationship with the longitudinal axis of the central bore and with planar surfaces of the plug and the housing at the end of the central bore in mating engagement. The plug has an eccentric bore having a tapered inner surface with a longitudinal axis extending parallel to but offset from the longitudinal axis of the plug and an optical target having a support stem having a tapered outer surface adapted to be inserted in the eccentric bore so that the longitudinal axis thereof coincides with the longitudinal axis of the eccentric bore and so that rotation of the plug causes the optical target to move in lateral directions. The target is adjustable relative to the support stem so that the center of the target may be precisely positioned on the longitudinal axis of the support stem. Also, force applying apparatus is provided for ensuring the stability of the optical target during the rotation of the plug and for locking the plug in a desired position.

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First Claim