Importance

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Abstract

An apparatus for inspecting surfaces of spheres such steel balls, on which sequentiality of cleaning and screening steps is attained without danger of rusting, and inspection accuracy and efficiency are enhanced, comprises a cleaning device for cleaning the spheres on a rotary disc with rotating brushes, a mechanism for inspecting and screening the cleaned spheres in oil in terms of non-defective and defective, and a removal device for removing both spheres separately. The mechanism includes a driving roller revolving and carrying thereon each sphere, a set of control rollers making tangential contact with the sphere thrusted along the outer circumference of the driving roller, a sensor for inspecting the surface of sphere while imparting a twist toward the sensor to the sphere by rotations of the driving roller and control rollers, and an oil tank holding therein the elements above.

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First Claim