Geometrical instruments
Patent
1977-05-16
1978-06-06
Abrams, Neil
Geometrical instruments
339 75M, H01R 1344
Patent
active
040933318
ABSTRACT:
The connector includes a raised ridge that substantially surrounds the opening to a plug-receiving cavity. The connector further includes a pivotally mounted cover for the plug-receiving cavity that is biased toward a closed position. The cover extends into close proximity with the ridge when it is in its closed position and when it is in an in-use position adjacent to the closed position. In addition, the cover has a depending skirt that overlaps the sides of the ridges when the cover is in the closed and in-use positions. This configuration of and interaction between elements shields the contacts of the connector from dripping and sprayed liquids and retards the flow of moist and dusty air through the contact region.
REFERENCES:
patent: 1989823 (1935-02-01), Raabe
patent: 2455582 (1948-12-01), Hoessel
patent: 2559151 (1951-07-01), Getzoff
patent: 2987214 (1961-06-01), Radack
patent: 3656083 (1972-04-01), Brook
patent: 3792414 (1974-02-01), Smith
patent: 3955870 (1976-05-01), Wasserman
patent: 3956573 (1976-05-01), Myers et al.
Abrams Neil
Bell Telephone Laboratories Incorporated
Newman Harry L.
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