Horology: time measuring systems or devices – Winding means – With condition indicator
Reexamination Certificate
2008-02-06
2009-11-10
Miska, Vit W (Department: 2833)
Horology: time measuring systems or devices
Winding means
With condition indicator
C368S212000
Reexamination Certificate
active
07614784
ABSTRACT:
To provide a residual wound quantity display mechanism of a timepiece, in which it is possible to change a way of a display without changing a basic structure, and a timepiece with the mechanism concerned. A residual wound quantity display mechanism of a mechanical timepiece has an output gearwheel rotating in compliance with a change in a residual wound quantity of a mainspring; a drive lever possessing monolithically a fan-shaped gearwheel part meshing with the output gearwheel, and an arm part extending from a rotation center of the fan-shaped gearwheel part in a direction different from a fan-shaped portion of the fan-shaped gearwheel part; a display member possessing a drive gearwheel part rotatably supported to a tip part of the arm part of the drive lever, and a display arbor formed monolithically in the drive gearwheel part in a site separated from a rotation center of the drive gearwheel part; and a fixation gearwheel possessing a fixation tooth part with which a tooth part of the drive gearwheel part of the display member meshes. Typically the fixation gearwheel adopts a form of the internally-toothed gearwheel.
REFERENCES:
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patent: 2005/0162982 (2005-07-01), Suzuki
patent: 2006/0187758 (2006-08-01), Takahashi
Adams & Wilks
Miska Vit W
Seiko Instruments Inc.
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