Position sensor

Details Position sensor Position sensor

1978-12-26

1980-10-21

Nase, Jeffrey V.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveying randomly faced items and turning items to...

250561, 271 84, 271227, 356375, 414 72, 414730, 198401, B65G 4724

Patent

active

042288860

ABSTRACT:
A glass sheet is advanced into a sheet determining position with one side of the sheet intercepting two scan paths and the other adjacent side of the sheet intercepting one of the two scan paths. Light rays reflected from the portion of the scan paths occupied by the sheet are incident on selected photodetectors which generate a plurality of signals. The signals are acted on to determine orientation of the sheet relative to a reference plane. The information is forwarded to the program of an industrial robot to alter the path of the robot arm to position a pick up frame mounted on the arm over the sheet. Thereafter the frame engages the sheet to load same in a shipping container.

REFERENCES:
patent: 3618742 (1971-11-01), Blanchard et al.
patent: 3881605 (1975-05-01), Grossman
patent: 3890509 (1975-06-01), Maxey
patent: 4105925 (1978-08-01), Rossol et al.
patent: 4163157 (1979-07-01), Guignard et al.

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