Weight sorter

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Separating means

Reexamination Certificate

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C209S592000, C209S595000

Reexamination Certificate

active

06877611

ABSTRACT:
A weight selecting apparatus capable of automatically performing calibration, and providing a weight selecting apparatus capable of certainly carrying objects to be inspected with a relatively simple mechanism and performing weight measurement of the objects. The objects, after being subjected to weight measurement by a first weighing unit2, are sampled by a sampler5, and those of the objects thus sampled are subjected to weight measurement by a second weighing unit6. A calibration unit compares, for the same object, the measured result with that obtained by the first weighing unit2and discriminates whether or not a difference therebetween is within a specific error range, to perform calibration of the first weighing unit2. Further, as a carrier3for carrying the objects to the weighing unit2one by one uses an intermittently rotatable carrying roller32having in its outer peripheral surface portion a plurality of carrying pockets321.

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patent: A63-309265 (1988-12-01), None

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