Rotary telephone dial

Details Rotary telephone dial Rotary telephone dial

1977-07-15

1979-03-13

Claffy, Kathleen H.

H04M 130, H04M 134

Patent

active

041444132

ABSTRACT:
A rotary telephone dial, in which at least one shaft is fixedly planted on a base plate. A rotary member is rotatably mounted on the shaft. Another base plate is engaged with the free end of the shaft to support the shaft. One direction assembling can be performed as a result of the above structure. A finger moving compensation mechanism is provided to obtain a sufficent allowable range of finger moving. The spring retaining structure and the governor mechanism are improved to effectively reduce the number of parts and to realize simplification of the manufacturing process.

REFERENCES:
patent: 2920145 (1960-01-01), Vadas
patent: 2963554 (1960-12-01), Hershey
patent: 3105122 (1963-09-01), Babb et al.
patent: 3952168 (1976-04-01), Barber

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