GB740123A - Fluid-tight winding means for a timepiece - Google Patents
Fluid-tight winding means for a timepieceInfo
- Publication number
- GB740123A GB740123A GB11380/54A GB1138054A GB740123A GB 740123 A GB740123 A GB 740123A GB 11380/54 A GB11380/54 A GB 11380/54A GB 1138054 A GB1138054 A GB 1138054A GB 740123 A GB740123 A GB 740123A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crown
- pendant
- sleeve
- screwed
- timepiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B37/00—Cases
- G04B37/08—Hermetic sealing of openings, joints, passages or slits
- G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
- G04B37/103—Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Electric Clocks (AREA)
Abstract
740,123. Watches. MONTRES ROLEX SOC. ANON. April 20, 1954 [April 18, 1953], No. 11380/54. Class 139 The crown 4 screws on to the pendant 2 screwed to the case 1. A sleeve 5 screwed to the crown 4 surrounds the tube 3 fixed to the winding stem (not shown). The pendant 2 has a groove 9 containing a packing 8 which always acts radially on the sleeve 5. A packing 10 located in the cavity 6 in the crown bears against the top edge of the pendant 2 when the crown is screwed thereto. A spring 7 urges the crown 4 and the sleeve 5 upwardly to establish a coupling between the parts 3a, 5a of the tube 3 and the sleeve 5 respectively when the crown 4 is unscrewed from the pendant 2.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH740123X | 1953-04-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB740123A true GB740123A (en) | 1955-11-09 |
Family
ID=4533088
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11380/54A Expired GB740123A (en) | 1953-04-18 | 1954-04-20 | Fluid-tight winding means for a timepiece |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB740123A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4979156A (en) * | 1989-07-27 | 1990-12-18 | Kester Lynn C | Screw-on watch stem seal |
-
1954
- 1954-04-20 GB GB11380/54A patent/GB740123A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4979156A (en) * | 1989-07-27 | 1990-12-18 | Kester Lynn C | Screw-on watch stem seal |
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