Spring contact pin for testing an electrical and/or electronic device
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Jun 10, 1988
filing date -
Jun 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The spring contact pin contacts electrical or electronic items or devices to be tested for testing purposes. It comprises a sleeve, at least one contact bolt slidable in it and at least two springs which spring load the contact bolt. At least one inner spring is located inside the sleeve guiding the contact bolt slidably. An outer coil spring is positioned on a portion of the shank of the contact bolt extending beyond the sleeve exteriorly so that the spring contact pin can be shortened and the spring travel can be reduced for a given fixed spring force and because of that cost savings may be attained.
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