Measuring and testing – Dynamometers – Responsive to force
Patent
1986-05-19
1987-10-06
Ruehl, Charles A.
Measuring and testing
Dynamometers
Responsive to force
73827, G01N 308, G01N 1904
Patent
active
046974610
ABSTRACT:
A method and apparatus for verifying the seismic integrity of a lead of an electronic component contained in an electric circuit wherein: a force of a desired magnitude is applied to the lead of the electronic component with the magnitude corresponding to the expected maximum force which would be exerted on the lead by an earthquake, and an indication is provided when the lead has been subjected to the applied force for a given period of time corresponding to the approximate period of time the maximum force of an earthquake would be exerted on the lead. Moreover, the force is released if the desired magnitude has been applied for a further preset period of time which is greater than the given period of time, or if the magnitude of the applied force exceeds a preset maximum value.
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patent: 3945248 (1976-03-01), West
patent: 4213556 (1980-07-01), Persson et al.
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patent: 4282759 (1981-08-01), Merrell
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Abeles Daniel C.
Ruehl Charles A.
Westinghouse Electric Corp.
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