Object detection apparatus and method

Details Object detection apparatus and method Object detection apparatus and method

1982-07-26

1984-05-29

Spar, Robert J.

Material or article handling

Vertically swinging load support

Grab

250561, 271 90, 271103, 271265, 294 64R, 414744B, 414752, 414786, B66C 100

Patent

active

044511973

ABSTRACT:
This disclosure relates to an object detector which incorporates a photoelectric detector in the vacuum flow path of a vacuum pickup system to serve as a device to determine whether an object has been successfully engaged, retained and transported by a vacuum orifice, so that transport cycles may be modified or terminated by control circuitry in the event that the object has not been successfully engaged, retained and transported, thereby saving time and reducing damage to object, transport means or the surface to which the object is transported.

REFERENCES:
patent: 3304113 (1967-02-01), Hutchison
patent: 3888362 (1975-06-01), Fletcher et al.
patent: 4364707 (1982-12-01), Ott

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