Horology: time measuring systems or devices – With calendar indicator
Reexamination Certificate
2007-09-11
2007-09-11
Paumen, Gary F. (Department: 2833)
Horology: time measuring systems or devices
With calendar indicator
C368S223000
Reexamination Certificate
active
11297128
ABSTRACT:
To realize an analog multifunction timepiece which is small sized and does not need much time period in operation of fabricating and integrating a part by adopting a fan shape moving hand mechanism without using a hairspring. A movement of a multifunction timepiece is provided with a calendar information display mechanism. The calendar information display mechanism is provided with a transmission wheel having a transmission cam portion, a display wheel constituted to rotate based on rotation of the transmission wheel and for displaying calendar information, a first hammer rotatably provided by being brought into contact with a transmission cam portion, and a second hammer rotatably provided in corporation with the display wheel. The first hammer includes a cam contact portion and an operating wheel portion. The second hammer is constituted to always receive a force of rotating in a constant direction.
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Hirano Kei
Tokoro Takeshi
Watanabe Mamoru
Adams & Wilks
Paumen Gary F.
Seiko Instruments Inc.
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