Polarization key for electrical connector

Details Polarization key for electrical connector Polarization key for electrical connector

1980-03-24

1981-12-29

McGlynn, Joseph H.

Geometrical instruments

H01R 1364

Patent

active

043079270

ABSTRACT:
A polarization key is disclosed for installation in an electrical connector on a backplane circuit board. The key has a tongue portion for insertion into the connector, engaging the resiliently biased contacts of the connector. A tab portion of the key projects outwardly from the connector to prevent the insertion of another circuit board therein unless the other circuit board is properly slotted to mate with the key. A pair of legs extend from the tab portion of the key along the outside of the connector to enter holes provided in the backplane circuit board.

REFERENCES:
patent: 3474395 (1969-10-01), Ferdon et al.
patent: 3566340 (1971-02-01), Jayne et al.

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