Geometrical instruments
Patent
1979-06-04
1980-12-02
Brigance, Gerald L.
Geometrical instruments
179 91R, 339123, H04M 118
Patent
active
042373425
ABSTRACT:
A telephone hook-up box for providing dockside telephone line hook-up to a mating connector plug. The hook-up box incorporates all of the connections necessary for hooking up the telephone lines and the respective line protectors and line continuity checking resistor. The box is formed of a two-piece body and cover portion of molded plastic. The cover is adapted to receive a locking type connector plug with a corresponding mating spring finger contact set disposed in a bore formed in the body element aligned with the cover openings. The spring contacts are integral with three molded-in-place contact-terminal elements which provide the terminal tab portions for both the telephone line and ground hook-ups and connection of the lines to a continuity checking resistor mounted in the body element. The ground contact-terminal elements are also formed with contact seat portions providing a grounding connection to the respective line terminal tab portions. The line protectors are received in threaded bores formed in the body element aligned with the contact seats and with openings in the line terminal tab portions to establish the necessary electrical connections. A hinged spring-biased cover disc is provided to provide a weather-proof closure of the plug connector openings in the box cover.
REFERENCES:
patent: 3668324 (1972-06-01), Firestone
patent: 3675183 (1972-07-01), Drake
patent: 4061411 (1977-12-01), Gumb et al.
patent: 4071696 (1978-01-01), Anderson
patent: 4088384 (1978-05-01), Gumb
"Ship-Shape Communications for Boaters", Telephony, Oct. 20, 1975, pp. 20-21, Ray Blain.
Dudek Edward R.
Eller Donald G.
Eller Harry J.
Goodwin Edward C.
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