1976-10-18
1979-01-30
Jackmon, Edith S.
58 26R, 58 855, G04C 1308, G04C 900, G04B 2700
Patent
active
041365135
ABSTRACT:
A compensator for correcting any time gain or loss in the minute and hour hand works in a time-keeping mechanism, wherein signals are received and converted into first and second electrical signals at predetermined time intervals, includes a servo unit for receiving the electrical signals. Upon receiving the first signal, the servo unit drives a first lever to contact and drive a first pin to a first position, and upon receiving the second signal, the servo unit drives a second lever to contact and drive a second pin to a second position. A first clutch is fixed to the first pin and is adapted to uncouple the minute and hour hand works from the mainspring assembly when the first pin is driven to the first position and to drive the minute and hour hand works to a first time setting. A second clutch is fixed to the second pin and is adapted to drive the minute and hour hand works to a second time setting when the second pin is driven to the second position and thereupon to couple the minute and hour hand works to the mainspring assembly.
REFERENCES:
patent: 1672802 (1928-06-01), Chirol
patent: 1961320 (1934-06-01), Worrall
patent: 2658329 (1953-11-01), Nelson
patent: 2889680 (1959-06-01), Dicke
patent: 3039261 (1962-06-01), Dicke
patent: 3282043 (1966-11-01), Duris
patent: 3563025 (1971-02-01), Kulick
patent: 3678307 (1972-07-01), Clifford
patent: 4023344 (1977-05-01), Mukaiyama
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