Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Patent
1995-03-14
1997-10-28
Terrell, William E.
Classifying, separating, and assorting solids
Sorting special items, and certain methods and apparatus for...
Condition responsive means controls separating means
209571, 209925, 1983462, 1984686, B07C 500, B65G 3700
Patent
active
056809360
ABSTRACT:
The present invention contemplates the use of a conveyor transporting circuit boards through a production line. At a point or stage in the production line where testing is to occur, the invention is employed to remove circuit boards from an input conveyor and transport them to a off line test assembly. Subsequent to testing, the invention is intended to selectively place the circuit boards on output conveyors in accordance with the results of testing, use an intelligent system, including a pick and place apparatus controlled to selectively retrieve boards from the input line and move them transversely to the line to a test site. The test site may include a staging conveyor for positioning the circuit boards received thereon on a bed-of-nails test station. Preferably, the pick and place apparatus will be able to move the boards to more than one test station, such that it may return to the input line and move another board while each board is being tested. Subsequent to testing, the pick and place apparatus retrieves the tested board from the test site and places it on one of a plurality of output conveyors in accordance with the results of testing. Multiple pick and place apparatuses and test sites may be advantageously configured along a single line within minimal floor space to achieve high rates of testing with minimal throughput delay.
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Automated Technologies Industries, Inc.
Nguyen Tuan
Terrell William E.
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