Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1987-03-19
1989-03-21
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
324 73PC, 324158F, G01R 3102, G01R 106
Patent
active
048146978
ABSTRACT:
A testing adapter for the contacting of conductor plates for the purpose of their testing includes a plurality of metallic resilient contact pins. Each of these pins includes a cylinder in which a piston of a piston member is received for axial sliding. The piston member extends beyond a cylinder jacket of the cylinder and passes through a bore of a rear guiding plate of the testing adapter. A helical compression spring is arranged on that region of the piston member which extends beyond the cylinder jacket. The piston member is shorter than one-half of the overall length of the resilient contact pin in its relaxes state, and the helical compression spring is at least partially accommodated within the respective bore of the rear guiding plate.
REFERENCES:
patent: 4551673 (1985-11-01), Barth et al.
Dubno Herbert
Feinmetall GmbH
Karlsen Ernest F.
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