CH84785A - Device for fixing a crown to the winding stem of a watch. - Google Patents
Device for fixing a crown to the winding stem of a watch.Info
- Publication number
- CH84785A CH84785A CH84785DA CH84785A CH 84785 A CH84785 A CH 84785A CH 84785D A CH84785D A CH 84785DA CH 84785 A CH84785 A CH 84785A
- Authority
- CH
- Switzerland
- Prior art keywords
- clamp
- crown
- watch
- fixing
- barrel
- Prior art date
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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/04—Rigidly-mounted keys, knobs or crowns
- G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
Description
Dispositif de fixation d'une couronne à la tire de remontoir d'une montre. La présente invention a pour objet un dispositif de fixation d'une couronne à la tige de remontoir d'une montre, comportant une pince disposée dans un canon de la couronne; ladite pince étant constituée par une pièce conique percée longitudinalement et présentant au moins une fente à son extrémité intérieure, laquelle s'appuie contre la paroi intérieure du- dit canon, l'extrémité extérieure de la pince étant taraudée et vissée sur une vis traversant axialernent la couronne,
le tout dans le but de maintenir la pince dans le canon et d'en serrer l'extrémité extérieure de la tige de remontoir engagée dans l'extrémité fendue de la pince.
' Le dessin annexé montre, à titre d'exemple, une forme d'exécution de l'objet de la présente invention.
La fig. 1 en est une coupe partielle longi tudinale; La fig. 2 en est une coupe suivant la ligne A-B de la fig. 1.
Le dispositif représenté comporte la pince cc disposée dans le canon b faisant corps avec la couronne c; elle est constituée par une piéce conique percée longitudinalement et pré sente trois fentes d à son extrémité intérieure, laquelle s'appuie contre la paroi intérieure du canon b.
L'extrémité extérieure de la pince est taraudée et vissée sur une vis e traversant axialement la couronne e, le tout clans le but de maintenir la pince a dans le canon L et d'enserrer l'extrémité f de la tige de remon toir de la montre engagée dans l'extrémité fendue de la pince a. La pince pourrait aussi ne présenter qu'une seule fente.
Device for fixing a crown to winding a watch. The present invention relates to a device for fixing a crown to the winding stem of a watch, comprising a clamp disposed in a barrel of the crown; said clamp being constituted by a conical piece drilled longitudinally and having at least one slot at its inner end, which rests against the inner wall of said barrel, the outer end of the clamp being threaded and screwed on a screw passing axially the crown,
the whole in order to keep the clamp in the barrel and to tighten the outer end of the winding rod engaged in the split end of the clamp.
The accompanying drawing shows, by way of example, one embodiment of the object of the present invention.
Fig. 1 is a partial longitudinal section; Fig. 2 is a section taken along line A-B of FIG. 1.
The device shown comprises the clamp cc disposed in the barrel b forming one body with the crown c; it consists of a conical piece drilled longitudinally and has three slots d at its inner end, which rests against the inner wall of the barrel b.
The outer end of the clamp is threaded and screwed on a screw e passing axially through the crown e, all with the aim of maintaining the clamp a in the barrel L and to clamp the end f of the winding rod of the watch engaged in the slotted end of the clamp a. The clamp could also have only one slot.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH84785T | 1919-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH84785A true CH84785A (en) | 1920-08-16 |
Family
ID=4340984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH84785D CH84785A (en) | 1919-07-12 | 1919-07-12 | Device for fixing a crown to the winding stem of a watch. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH84785A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579340A (en) * | 1944-11-28 | 1951-12-18 | Schmitz Werner | Winding stem with removable crown |
EP0450167A1 (en) * | 1990-04-04 | 1991-10-09 | Manufacture Jaeger-Le Coultre S.A. | Watch |
-
1919
- 1919-07-12 CH CH84785D patent/CH84785A/en unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2579340A (en) * | 1944-11-28 | 1951-12-18 | Schmitz Werner | Winding stem with removable crown |
EP0450167A1 (en) * | 1990-04-04 | 1991-10-09 | Manufacture Jaeger-Le Coultre S.A. | Watch |
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