Device for detecting carry-out of last glass sheet from stacking

Details Device for detecting carry-out of last glass sheet from stacking Device for detecting carry-out of last glass sheet from stacking

1990-12-17

1992-04-07

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271 90, 271260, 901 40, B65H 704

Patent

active

051021145

ABSTRACT:
A detecting device is provided for detecting carry-out of a last glass sheet from a stacking stand. The detecting device comprises a suction cup releasably attached with a suction force to the last glass sheet, and a sensor for detecting attachment and detachment to and from the last glass sheet and producing electrical signals representative thereof. The signals from the sensor are supplied to a robot or the like for the above carry-out for stopping the robot or the like when the sensor detects detachment of the suction cup from the last glass sheet.

REFERENCES:
patent: 3966197 (1976-06-01), Riedl et al.
patent: 4369964 (1983-01-01), Jinnai et al.
patent: 4861008 (1989-08-01), Steek et al.
patent: 4936566 (1990-06-01), Hiramatsu
Westermann, K. H., "Pressure/Vacuum Sensing Device", IBM Technical Disclosure Bulletin, vol. 24, No. 5, pp. 2526-2527 (Oct. '81).

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