Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1991-07-30
1993-04-06
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 725, G01R 1073
Patent
active
052006956
ABSTRACT:
A contact probe consisting of a tubular receptacle, a needle member received in the tubular receptacle in a freely slidable manner, and a compression coil spring coiled around the needle member, and compressed between a shoulder surface defined in the receptacle and another shoulder surface defined in the needle member to urge the needle member out of the front end of the tubular receptacle. The compression coil spring is provided with a large diameter portion at its inner end for elastically engaging with an inner surface of the receptacle so that the needle member may be replaced without requiring the receptacle to be removed.
REFERENCES:
Bohannon, W. D.; "Twin Contact Multiple Connector"; Western Electric Technical Digest No. 22; Apr. 1971; pp. 9-10.
Karlsen Ernest F.
NHK Spring Co. Ltd.
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