Compact telephone set employing slidable actuated supervision sw

Details Compact telephone set employing slidable actuated supervision sw Compact telephone set employing slidable actuated supervision sw

1979-08-22

1981-06-09

Brown, Thomas W.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

179103, 179179, 200 6172, H04M 102

Patent

active

042726557

ABSTRACT:
There is disclosed a compact telephone instrument with a telescoping operation. A first housing has a conventional telephone receiver located within a hollow recess thereof. The housing is removably secured to a bottom housing which contains a dialer assembly. A series of guide mechanisms are formed in both housings and are used to accommodate a third housing containing a telephone transmitter. The third housing is slidably mounted within the receiver and dialer housings to enable on-hook and off-hook operations by sliding and extending outwardly for off-hook operation and by pushing the housing inward for on-hook operation. The movement of the transmitter housing between the on and off hook positions automatically activates a hook switch arrangement by means of tabs which are permanently secured on slide members associated with the transmitter housing and which tabs actuate leaf spring switches located on a component board positioned between the dialer and receiver housings.

REFERENCES:
patent: 481049 (1892-08-01), Noriega
patent: 786041 (1905-03-01), Lind
patent: 955923 (1910-04-01), Thompson
patent: 1298771 (1919-04-01), Nash et al.
patent: 1340955 (1920-05-01), Herrmann
patent: 1697575 (1929-01-01), Sedgwick
patent: 4056696 (1977-11-01), Meyerle et al.

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