Clock, in particular desk or wall clock, with one or more analog

Details Clock, in particular desk or wall clock, with one or more analog Clock, in particular desk or wall clock, with one or more analog

1986-07-22

1988-01-19

Miska, Vit W.

Horology: time measuring systems or devices

Chronological

With mechanical or electromechanical driven display

368223, G04B 1900, G04C 1700

Patent

active

047208201

ABSTRACT:
Clock, having three or four hand systems at right angles to each other about a clock movement vertical axis and whose hand system axes are horizontal and intersect the vertical axis, each hand system coaxially including a minute hand shaft and crown gear and an hour hand shaft and crown gear, with the minute crown gears meshing with a common minute transmission gear and the hour crown gears meshing with a common hour transmission gear in the manner of angle gears, the transmission gears being coaxial to the vertical axis and driven by corresponding clock movement shafts, the corresponding crown gears and transmission gears respectively having the same number of teeth and of tooth profile like that of a in which the teeth in mutual engagement have a profile displacement or V-plus gear, and each transmission gear having a diameter larger by at least double the tooth depth than the diameter of the corresponding crown gears; and clock related rotary dummy pendulum, four face clock support cube like shape hollow part, and/or bearing surface containing side post and rectangular side wall housing, arrangements.

REFERENCES:
patent: Re22640 (1945-05-01), Prins
patent: 239738 (1981-04-01), Dee
patent: 1432566 (1922-10-01), Metcalfe
patent: 1850184 (1932-03-01), Spainhower
patent: 2243343 (1941-05-01), Johnson
patent: 3106617 (1963-10-01), Ducommun
patent: 4370063 (1983-01-01), Lee

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