Switch actuator for one-piece telephone

Details Switch actuator for one-piece telephone Switch actuator for one-piece telephone

1977-03-16

1978-12-19

Cooper, William C.

H04M 108

Patent

active

041307429

ABSTRACT:
A switch actuating device for a telephone instrument of the one piece type comprising actuating means protruding through the base portion of the instrument for actuating the off-on switch when the instrument is removed from or put on a table surface. Said projecting actuating means comprises along a peripheral outline of said base portion distributed parts, each of which cooperates with an element which actuates the contact springs of the switch. Said element is symmetrically constructed and comprises two links and two arms. The links are turnably mounted in bearings, are spring actuated and are at their ends actuated by the said actuating means.

REFERENCES:
patent: 2990456 (1961-06-01), Nise
patent: 3562447 (1971-02-01), Bakhuizen et al.

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