Electrical connecting plug

Details Electrical connecting plug Electrical connecting plug

1979-05-16

1981-06-30

Desmond, Eugene F.

Geometrical instruments

200 5109, 339 14P, H01R 1718

Patent

active

042759463

ABSTRACT:
A connector plug having special utility in the electrical musical instrument field is disclosed. The plug comprises a body having first and second elongated electrodes extending outwardly therefrom. The first electrode is slideably disposed in the second electrode and electrically isolated from the second electrode along the length thereof. Means are provided in the body for urging the distal ends of the first and second electrodes into electrical engagement in the rest position. When the plug is joined to an associated jack, however, the distal ends of the electrodes are caused to disengage so as to electrically isolate the electrodes from each other. By the use of the device of the present invention, problems of undesirable noise being generated when activating an electrical musical instrument or like device is substantially eliminated.

REFERENCES:
patent: 420183 (1890-01-01), Beach et al.
patent: 2640118 (1953-05-01), Werner
patent: 2664475 (1953-12-01), Harlin
patent: 3158702 (1964-11-01), Vanderbilt
patent: 3225155 (1965-12-01), Duncan
patent: 3467940 (1969-09-01), Wallo
patent: 3600531 (1971-08-01), Hoegerl

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