The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 10, 2009
Filed:
Feb. 06, 2008
Mamoru Watanabe, Chiba, JP;
Mamoru Watanabe, Chiba, JP;
Seiko Instruments Inc., , JP;
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.