Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Nonconveying driven means for turning item at separating or...
Patent
1978-09-11
1979-12-18
Knowles, Allen N.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Nonconveying driven means for turning item at separating or...
209545, 209575, 209698, 198394, B07C 502, B07C 5344
Patent
active
041790324
ABSTRACT:
An article, such as a light-emitting diode, for replacing a slide base switchboard lamp has polar characteristics. The article has a light emitting cap located at one end and a cylindrical slide base with two contacts located diametrically across the base extending from the emitter. Handling the articles for testing their light intensity and hue characteristics involves orienting them. The articles are first oriented longitudinally in a vertical direction and to face the emitter all in the same direction. The articles are then conveyed in sequence to a test station. An eccentric force is applied to the base through friction between the moving articles and a stationary ledge. The applied force rotates the articles into one or the other of two oriented positions in which the contacts on the base become located in a plane perpendicular to the direction of their conveyance. A preliminary test determines which of the two positions have been assumed by each article. In testing for the light intensity and hue of each article, the direction in which a voltage is applied to its terminals is based on the outcome of the preliminary test. The articles are then sorted into acceptable ones and into rejects, based on the outcome of the light intensity and hue test.
REFERENCES:
patent: 3209900 (1965-10-01), Hopkins
patent: 3478860 (1969-11-01), Schick
patent: 3810540 (1974-05-01), Georges
patent: 4054814 (1977-10-01), Fegley et al.
Abraham et al., Technical Digest, vol. 39, Western Electric Co., Inc., N. Y., Jul. 1975, pp. 1-2.
Avedissian, Technical Digest, No. 5, Western Electric Co., Inc., N. Y., Jan. 1967, pp. 11 and 12.
Artz Walter M.
Bauer Charles R.
Moyer Paul W.
Knowles Allen N.
Schellin W. O.
Western Electric Co. Inc.
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