Watch
US7401975B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Jan 17, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B3/043
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
To obtain a degree of freedom in a design of a circumference part of a timepiece armor assembly, and provide a watch whose degree of freedom in a size of a dial is high. A timepiece armor assembly is formed of an armor case of one-piece structure in which a case bottom wall and a case band part provided with a crown have been monolithically molded and of an armor cover which has a transparent member and an edge member supporting a circumference edge of the former member and has been mounted to the case band part. In the armor assembly, a timepiece movement which has a movement main body and a winding stem attached to this main body so as to be capable of being inserted into or detached from it and connected to the crown, and a dial are built, and a winding stem attachment/detachment mechanism which makes an insertion/detachment of the winding stem into/from the main body possible is provided. The winding stem attachment/detachment mechanism possesses an engagement body which has a stopper part engaged with or disengaged from a groove (engagement part) of the winding stem, and an engagement/disengagement operation body which causes the stopper part 34a to engage with or disengage fr…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.