Electric box for connection between a handset and a telephone ba

Details Electric box for connection between a handset and a telephone ba Electric box for connection between a handset and a telephone ba

1997-07-21

1998-08-18

Kincaid, Kristine L.

Electricity: conductors and insulators

Conduits, cables or conductors

Accessories

439 21, 439 22, H04M 1100

Patent

active

057960470

ABSTRACT:
An electric box connected between a telephone base and a handset, including a housing having a hollow upright shaft on the inside, a rotary member turned about the upright shaft of the housing, a spiral spring mounted in the housing and having two ends respectively fastened to the upright shaft and the rotary member, a holder fastened to the rotary member and holding a plurality of concentrically arranged metal rings, a plurality of terminals mounted in respective holes in the housing and supported on respective metal springs respectively disposed in contact with the metal rings, a flat cable wound around the rotary member and having one end extended out of the housing and mounted with a module plug for connection to the handset and an opposite end connected to the metal rings, a mounting block mounted on the housing on the outside, a module plug mounted on the mounting blocks for connection to the telephone base and having contacts respectively disposed in contact with the terminals.

REFERENCES:
patent: 3657491 (1972-04-01), Ryder et al.
patent: 4481607 (1984-11-01), Hsiao
patent: 5082448 (1992-01-01), Kang
patent: 5241593 (1993-08-01), Wagner
patent: 5590749 (1997-01-01), Wagner et al.
patent: 5690498 (1997-11-01), Sobhani

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