Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Traveling item turned to predetermined position
Patent
1983-08-18
1985-06-04
Reeves, Robert B.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Traveling item turned to predetermined position
29759, 198381, 198399, 209573, 324 73AT, B65G 4724, B07C 5344
Patent
active
045209316
ABSTRACT:
An inverting apparatus for reorienting electrically asymmetrical axial lead electronic devices in a testing and sorting machine has a wheel rotatably mounted in a magnetic output bin of the tester/sorter. The bin has sets of permanent magnets mounted in its side walls that create two oppositely directed magnetic fields that define upper and lower regions of the output bin. The axis of rotation of the wheel is generally aligned with the magnetic fields across the bin. The wheel carries a set of holder assemblies each mounted for free rotation on its outer circumference. Each holder assembly carries a bar magnet that aligns the holder assembly, and a device carried in the holder assembly, with the prevailing magnetic field. As the wheel rotates the holder assemblies and the devices they carry are transported from the magnetic field in the upper region to the oppositely directed field in the lower region. The bar magnet rotates the holder assembly and the device 180.degree. to align them with the magnetic field in the lower bin region. Preferably a fixed abutment strikes a projecting end of the bar magnet at the interface between the magnetic fields to initiate the reorientation.
REFERENCES:
patent: 2975878 (1961-03-01), Cason
patent: 3388795 (1968-06-01), Beroset et al.
patent: 3702438 (1972-11-01), Cole, Jr.
patent: 3731783 (1973-05-01), Dreher et al.
patent: 3810540 (1974-05-01), Georges
patent: 4136765 (1979-01-01), Abraham et al.
patent: 4171051 (1979-10-01), Wullenwaber
Product Brochure, Daymarc Corporation, Type 1620 Axial Lead Sorter, (no date).
Beroset et al., "Using Magnetic Suspension to Float Small Parts", pp. 76-81, May 1968.
Daymarc Corporation
Hajec Donald T.
Reeves Robert B.
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