Sealed crown for watch casing
US6902169B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 2002 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | Jul 25, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/103
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The sealing device for a control member (17) is provided with a shaft (16) passing through a sealed casing and comprising a tube (1) driven into a bore (3) of the casing (4) . A shaft (16) of the control member (17) is engaged in the tube (1) and at least one joint (18, 19) ensures normal sealing between this tube and this shaft. It comprises a compression key (6) screwed on the tube (1) comprising an upper portion (8) overlying the tube (1) and surrounding the shaft (16) of the control member (17). A compression joint (15) is disposed in the space comprised between the upper portion (8) of the compression key, the tube (1) and the shaft (16).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.