Time striking device for timepiece

Details Time striking device for timepiece Time striking device for timepiece

1979-07-11

1981-01-27

Jackmon, Edith S.

Horology: time measuring systems or devices

Signalling means

Cam controlled

368270, 340392, G04B 2104, G04C 2108

Patent

active

042479339

ABSTRACT:
A time striking device for a timepiece including an electric time striking means, an electric contact means electrically controlling the operation of the time striking means, a time striking selecting cam plate synchronously rotating with a time indicating gear train to control the electric contact means in a state capable of closing circuit action at the striking time, a one-minute cam plate synchronously rotating with the time indicating gear train to control the electric contact means in a state capable of closing circuit action at one minute interval, a one-minute control lever transmitting contact point control force of the one-minute cam plate to the moving contact plates of the electric contact means.

REFERENCES:
patent: 3778997 (1973-12-01), Jauch

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