CH94867A - Barrel spring. - Google Patents
Barrel spring.Info
- Publication number
- CH94867A CH94867A CH94867DA CH94867A CH 94867 A CH94867 A CH 94867A CH 94867D A CH94867D A CH 94867DA CH 94867 A CH94867 A CH 94867A
- Authority
- CH
- Switzerland
- Prior art keywords
- spring
- blade
- barrel
- height
- barrel spring
- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/14—Mainsprings; Bridles therefor
-
- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/14—Mainsprings; Bridles therefor
- G04B1/145—Composition and manufacture of the springs
Landscapes
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Springs (AREA)
Description
Ressort de barillet. L'objet de la présente invention est un ressort de barillet qui offre l'avantage de fournir une force motrice moins variable, en fonction du nombre de tours dont il est armé, que les ressorts de barillet en usage actuelle ment. Ce ressort est caractérisé en ce que la section transversale utile de la lame augmente d'une extrémité à l'autre du ressort, au moins sur la plus grande partie de la longueur de ce dernier, l'épaisseur de la lame étant constante.
Le dessin ci-joint montre, à titre d'exem ples, deux formes d'exécution de ce ressort de barillet.
La fig. 1 en représente une première forme d'exécution, le ressort étant montré développé en élévation; La fig. 2 en est une coupe suivant la ligne A-B de la fig. 1; La fig. 3 montre la seconde forme d'exé cution, qui est représentée de la même ma nière que celle de la fig. 1; La fig. 4 en est une coupe suivant la ligne C-D de la fig. 3.
Le ressort suivant les fig. 1 et 2 est formé par une lame a dont l'épaisseur est constante d'un bout à l'autre. L'extrémité b est celle qui s'accroche à la. bonde, tandis que l'extrémité c, formée par une oreille, est destinée à être figée à la paroi du barillet. Entre l'oreille c et l'extrémité b, la hauteur de la lame augmente progressivement, ce qui correspond à une augmentation progressive de la section transversale utile de la lame.
Les fig. 3 et 4 montrent un ressort de barillet formé par une lame a' dont l'épais seur et la hauteur sont constantes d'un bout à l'autre. Les extrémités b' et c' correspon dent respectivement à l'extrémité intérieure et à l'extrémité extérieure du ressort de ba rillet. La section transversale utile de la lame a' varie également d'une extrémité à l'autre du ressort, par le fait que la lame présénte un évidement médian d s'étendant sur presque toute la longueur du ressort. Cet évidement prend naissance près de l'extrémité b' et s'étend progressivement dans le sens de la hauteur de la lame pour atteindre sa plus grande largeur prés de l'extrémité c'.
Comme dans l'exemple donné par les fig. 1 et 2, la section transversale utile de la lame est par conséquent plus petite dans la partie extérieure du ressort. L'évidement d peut être obtenu, par exemple par fraisage; sa forme et son étendue peuvent différer de l'exemple représenté.
Il en est de même de la forme et des dimensions du ressort représenté aux fig. 1 et 2.
Barrel spring. The object of the present invention is a barrel spring which offers the advantage of providing a driving force which is less variable, as a function of the number of turns with which it is loaded, than the barrel springs in current use. This spring is characterized in that the useful cross section of the leaf increases from one end of the spring to the other, at least over the greater part of the length of the latter, the thickness of the leaf being constant.
The accompanying drawing shows, by way of example, two embodiments of this barrel spring.
Fig. 1 represents a first embodiment thereof, the spring being shown developed in elevation; Fig. 2 is a section taken along line A-B of FIG. 1; Fig. 3 shows the second embodiment, which is represented in the same way as that of FIG. 1; Fig. 4 is a section taken along the line C-D of FIG. 3.
The spring according to fig. 1 and 2 is formed by a blade a whose thickness is constant from one end to the other. The end b is the one that hooks to the. bung, while the end c, formed by an ear, is intended to be fixed to the wall of the barrel. Between the ear c and the end b, the height of the blade gradually increases, which corresponds to a progressive increase in the useful cross section of the blade.
Figs. 3 and 4 show a barrel spring formed by a blade a 'whose thickness and height are constant from end to end. The ends b 'and c' correspond respectively to the inner end and to the outer end of the bay spring. The useful cross section of the leaf a 'also varies from one end of the spring to the other, in that the leaf has a central recess d extending almost the entire length of the spring. This recess originates near the end b 'and gradually extends in the direction of the height of the blade to reach its greatest width near the end c'.
As in the example given by FIGS. 1 and 2, the useful cross section of the leaf is therefore smaller in the outer part of the spring. The recess d can be obtained, for example by milling; its shape and extent may differ from the example shown.
The same applies to the shape and dimensions of the spring shown in FIGS. 1 and 2.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH94867T | 1920-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH94867A true CH94867A (en) | 1922-05-16 |
Family
ID=4352498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH94867D CH94867A (en) | 1920-12-24 | 1920-12-24 | Barrel spring. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH94867A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2609192A (en) * | 1949-05-28 | 1952-09-02 | Eastern Metals Res Co Inc | Coil spring and coil spring assembly, including the support for such springs |
US2609191A (en) * | 1948-02-16 | 1952-09-02 | Eastern Metals Res Co Inc | Spring counterbalance |
US2609193A (en) * | 1947-04-30 | 1952-09-02 | Eastern Metals Res Co Inc | Spring sash counterbalance |
US2647743A (en) * | 1949-06-29 | 1953-08-04 | Eastern Metals Res Co Inc | Spring device |
WO2008064714A1 (en) * | 2006-11-27 | 2008-06-05 | Acumener Investigacion Y Desarrollo S.L. | Elastodynamic energy accumulator-regulator |
CN106641051A (en) * | 2016-12-22 | 2017-05-10 | 泰州市创新电子有限公司 | Negative characteristic tensile force vortex roll tension spring |
CN109052108A (en) * | 2015-10-22 | 2018-12-21 | 郑牧之 | Energy-storage type Bu Ti walk help mechanism |
US20220127106A1 (en) * | 2020-10-28 | 2022-04-28 | Boe Technology Group Co., Ltd. | Flexible display device and torsion spring used therein |
-
1920
- 1920-12-24 CH CH94867D patent/CH94867A/en unknown
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2609193A (en) * | 1947-04-30 | 1952-09-02 | Eastern Metals Res Co Inc | Spring sash counterbalance |
US2609191A (en) * | 1948-02-16 | 1952-09-02 | Eastern Metals Res Co Inc | Spring counterbalance |
US2609192A (en) * | 1949-05-28 | 1952-09-02 | Eastern Metals Res Co Inc | Coil spring and coil spring assembly, including the support for such springs |
US2647743A (en) * | 1949-06-29 | 1953-08-04 | Eastern Metals Res Co Inc | Spring device |
WO2008064714A1 (en) * | 2006-11-27 | 2008-06-05 | Acumener Investigacion Y Desarrollo S.L. | Elastodynamic energy accumulator-regulator |
JP2010511119A (en) * | 2006-11-27 | 2010-04-08 | アクメネル インヴェスティガシオン イ デサロロ エセ.エレ. | Elastodynamic energy accumulator and regulator |
CN109052108A (en) * | 2015-10-22 | 2018-12-21 | 郑牧之 | Energy-storage type Bu Ti walk help mechanism |
CN106641051A (en) * | 2016-12-22 | 2017-05-10 | 泰州市创新电子有限公司 | Negative characteristic tensile force vortex roll tension spring |
US20220127106A1 (en) * | 2020-10-28 | 2022-04-28 | Boe Technology Group Co., Ltd. | Flexible display device and torsion spring used therein |
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