Rotary indicating plate type digital display device

Details Rotary indicating plate type digital display device Rotary indicating plate type digital display device

1975-02-04

1977-03-22

Miller, Jr, George H.

58126E, G04B 4500, G04B 1900

Patent

active

040128989

ABSTRACT:
A rotary time-indicating plate-type digital display device comprises a rotary minute drum carrying a set of minute-indicating plates and a rotary hour drum carrying a set of hour-indicating plates. A drive system effects continuous rotation of the minute drum to individually turn over successive minute-indicating plates to display the time in minutes and effects intermittent rotation of the hour drum to individually turn over successive hour-indicating plates to display the time in hours. A lower system coacts with the minute and hour drums to effect synchronous turning over of the minute-indicating plate which indicates the 59th minute and each successive hour-indicating plate. An adjusting mechanism is disposed adjacent the minute drum for enabling adjustment of both the minute and hour drums to set the time displayed by the indicating plates.

REFERENCES:
patent: 1090172 (1914-03-01), Shanks
patent: 3220174 (1965-11-01), Cappellari
patent: 3830053 (1974-08-01), Koide et al.

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