Electrical connectors – With circuit conductors and safety grounding provision – Direct grounding of coupling part member passing into aperture
Patent
1988-06-03
1989-11-07
Desmond, Eugene F.
Electrical connectors
With circuit conductors and safety grounding provision
Direct grounding of coupling part member passing into aperture
324 725, 439620, H01R 466
Patent
active
048788520
ABSTRACT:
A ground pin construction for an electrical device having a housing and prongs for insertion into an electrical socket, the housing including a boss having a bore therein for guiding the ground pin between extended and retracted positions, a flexible member attached to the ground pin and movable by a button which protrudes through the housing, cam surfaces on the housing which cause the elongated flexible member to ride over them as the ground pin is being moved to an extended position, and interengaging shoulders between the flexible member and the housing for retaining the ground pin in an extended position after the flexible member rides over the cam structure, the flexible member being deflectable by depressing on the button so that the flexible member can be disengaged from the shoulder on the housing and the ground pin can be moved to a retracted position by pushing on the button. A support structure for a printed circuit within the housing of an electrical device including support members within the housing for firmly mounting the printed circuit, an elongated lead between the printed circuit and the movable ground pin described above, and a protective cover separating the elongated lead from sharp points on the printed circuit so that the elongated lead will not be abraded during its movement back and forth with the ground pin.
REFERENCES:
patent: 2323736 (1943-07-01), Tousley
patent: 3025486 (1962-03-01), Falconer
patent: 3685000 (1972-08-01), Robbins
patent: 3733576 (1973-05-01), Cooper
patent: 4105968 (1978-08-01), Mobley et al.
patent: 4280092 (1981-07-01), Wells, Jr. et al.
Bertsch Jack E.
Kopp Harold P.
Desmond Eugene F.
Gastel Joseph P.
Polytronics, Inc.
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