Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor
Patent
1977-09-07
1978-09-12
Skogquist, Harland S.
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific current responsive fault sensor
361419, G09B 2318
Patent
active
041125932
ABSTRACT:
The invention relates to circuit boards and educational and experimental equipment made therefrom in which electronic components can be plugged into the board. The board comprises a matrix having a number of apertures in each of which is received a monolithic cluster member having a central socket to receive a prong of an electronic component and four smaller sockets to receive projections on connector links. Spacers on the cluster member engage collars on the prongs to space the component housings off the links.
REFERENCES:
patent: 3175304 (1965-03-01), Och
patent: 3327173 (1967-06-01), Thompson
patent: 3410001 (1968-11-01), Blum
Hill David Arthur
Lomnitzer Abraham
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