Telephone switch retaining device

Details Telephone switch retaining device Telephone switch retaining device

1976-05-24

1977-07-05

Brown, Thomas W.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

179167, 200322, H01H 922

Patent

active

040341674

ABSTRACT:
A telephone switch retaining device comprising an adjustable band surrounding the intermediate portion of a telephone handset of the type having the dial mechanism therein, a depressing member carried on the band in registration with the outwardly biased line connecting switch to depress such switch for disconnection of the line circuit and connection of the signal circuit, and to hold such switch depressed when the band is fastened in place until such time as a signal is transmitted through the signal circuit and it is desired to release the outwardly biased switch for connection of the line circuit. The band may then be adjusted to a releasing position whereby the depressing member moves out of depressing engagement with the outwardly biased switch enabling it to move outwardly to its line connected position.

REFERENCES:
patent: 1077225 (1913-10-01), Keith
patent: 2523518 (1950-09-01), Rapaport

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