Electricity: circuit makers and breakers – Special application – Feeler moves into detecting contact with object
Patent
1975-11-21
1977-04-19
Scott, James R.
Electricity: circuit makers and breakers
Special application
Feeler moves into detecting contact with object
200330, H01H 316
Patent
active
040190030
ABSTRACT:
A sensor switch is described for use within an object handling conveying system such as a baggage conveying system, adapted for actuation by passing objects, such as baggage, though not limited thereto, or a transport vehicle, for objects or materials, by engagement against an upstanding sensor element.The sensor element comprises a semi-elliptical shell, topped by a vertical stem, and is mounted for depression and angular deflection, against spring support means, when engaged laterally by a unit object, or a transport vehicle. The spring support means includes an element which actuates a microswitch when the sensor element is thus depressed and/or tilted. The circuit of the microswitch energizes an indicator, such as a signal light, for information of a distantly located operator.
REFERENCES:
patent: 455005 (1891-06-01), Palmer
patent: 2927988 (1960-03-01), Powell
patent: 3223814 (1965-12-01), Kalbitz
patent: 3267248 (1966-08-01), Bagley
Cochran Western Corporation
Lilly Forrest J.
Scott James R.
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