Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
Patent
1992-03-25
1993-03-30
Miska, Vit W.
Horology: time measuring systems or devices
Chronological
With mechanical or electromechanical driven display
368 80, 368223, G04B 1900, G04C 2100
Patent
active
051990067
ABSTRACT:
An analog type clock or watch having at least one hand and a scale of indicia showing time, comprising means for moving said at least one hand along a closed, non-circular path, having a first and a second straight section, parallel to each other and joined respectively at their ends by corresponding semicircular portions, so that the free end of said at least one hand travels along two straight sections and makes two 180 degree movements as it turns to indicate the time; said means comprising a motor element driven at a constant speed, said element being per se known, arranged so as to actuate a driven element to which the inner end of said hand is fixed; said driven element cooperating with guide means arranged to impart an alternately translatory and rotary movement to said driven element, so that the free end of said hand follows said closed, non-circular route, pointing in succession to marks indicating the time arranged on the dial of said clock or watch.
REFERENCES:
patent: 2221413 (1940-11-01), Schanz
patent: 3852949 (1974-12-01), Sayler
patent: 3956879 (1976-05-01), Bailey
patent: 4103484 (1978-08-01), Bailey
patent: 4161098 (1979-07-01), Ingendahl
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