Watch case
US8882342B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2011 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Sep 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/103
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This watch case comprises a middle (1), a tube (3, 23), which is secured to the middle (1) and is provided with a thread, a control crown (C) which is provided with a thread screwed onto the tube (3, 23), the control crown (C) having an external part (10, 20) that has a distinctive mark (S) that is visible from the outside and an internal part (2, 24) housed inside the external part (10, 20) and clamping means (11) for axially holding said external part (10, 20) and said internal part (2, 24) in an angular position determined with respect to the longitudinal axis of said tube. The internal part (2, 24) has first angular indexing means (2a, 24a), the external part (10, 20) having second angular indexing means (10a, 20a), these indexing means being shaped so as to engage axially in one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.