Device for date indication
US7266050B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2004 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Mar 3, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/25366
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for the date indication in a watch, with a digit disk and a decimal disk, which each include a sequence of figures or numbers and are arranged next to each other in parallel in such a manner that they overlap within the region of an indicating position and thus allow to represent a two digit number visible through a corresponding date window in the dial. The disk of larger diameter is a circular disk and the axis of rotation of the disk of smaller diameter is arranged within the outer peripheral contour of the disk of larger diameter. The device includes a digit programme wheel and a decimal programme wheel, which control via a digit pinion and a decimal pinion the switching operation of the digit disk and the decimal disk, and a programme drive wheel, which passes on the driving force onto the digit and decimal programme wheels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.