Device for detecting the presence of an article in the recesses

Details Device for detecting the presence of an article in the recesses Device for detecting the presence of an article in the recesses

1984-05-22

1986-03-25

Coan, James F.

Package making

With means responsive to a sensed condition

Concurrent control of contents and receptacle feeds

53 73, 493 9, B65B 5710

Patent

active

045774510

ABSTRACT:
Device for detecting the presence or the absence of an article in the recesses of the feeding disc of a wrapping machine for candies, comprising a nozzle emitting an air jet directed against the portion of said disc carrying the recesses. Opposite to the nozzle emitting the air jet, there is provided a target member which is operatively connected, through a mechanical connection or equivalent means, to an electrical sensor located in a protective housing. If a recess which cyclically moves across the air jet contains an article, the latter intercepts the air jet so that the target member and sensor will be left at rest. If a recess does not contain an article, the air jet will impinge against and cause the displacement of the target so as to change the status of the sensor.

REFERENCES:
patent: 2675657 (1954-04-01), Taggart et al.
patent: 2934869 (1960-05-01), Engleson et al.
patent: 3005630 (1961-10-01), Bergman et al.
patent: 3361138 (1968-01-01), Metzinger et al.

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