Double-lever interlocking change-over mechanism and method for automatic watch
The present invention relates to the manufacture of watch. The double-lever interlocking change-over mechanism consists of gear, double swing links, ratchet wheel, isolating ring, wheel sleeve, nail and toothed shaft assembled together. The key point of the mechanism is that the gear with both inner...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The present invention relates to the manufacture of watch. The double-lever interlocking change-over mechanism consists of gear, double swing links, ratchet wheel, isolating ring, wheel sleeve, nail and toothed shaft assembled together. The key point of the mechanism is that the gear with both inner and outer teeth and the double swing links constitute one enclosed transmission chain for transferring motion and force in single way. The mechanism has mesh between gear and automatic hammer and mesh between toothed shaft and automatic spring winding wheel. The mechanism is high in reliability, long in service life, low in cost and high in efficiency. |
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