Contact probe

Details Contact probe Contact probe

1991-07-30

1993-02-23

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

324 725, G01R 1073

Patent

active

051893649

ABSTRACT:
A contact probe consisting of a tubular receptacle, a needle member received in the tubular receptacle in a freely slidable manner, 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, and a wire coil or a sleeve member securely wrapped around the part of the needle member which can be adjacent the rear end of the receptacle over the entire stroke of the needle member. The wire coil or the sleeve member effectively reinforces the part of the needle member placed adjacent the rear end of the receptacle against bending stress without substantially reducing the flexibility of the reinforced part of the needle member, and substantially improves the durability of the contact probe for the given material and dimensions of the contact probe.

REFERENCES:
Bohannon, W. D.; "Twin Contact Multiple Connector"; Western Electric Technical Digest No. 22; Apr. 1971; pp. 9-10.

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