CH272612A - Racket. - Google Patents

Racket.

Info

Publication number
CH272612A
CH272612A CH272612DA CH272612A CH 272612 A CH272612 A CH 272612A CH 272612D A CH272612D A CH 272612DA CH 272612 A CH272612 A CH 272612A
Authority
CH
Switzerland
Prior art keywords
hairspring
key
racket
pin
balance
Prior art date
Application number
Other languages
French (fr)
Inventor
Fontainemelon Fabrique D Ho De
Original Assignee
Fontainemelon Horlogerie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fontainemelon Horlogerie filed Critical Fontainemelon Horlogerie
Publication of CH272612A publication Critical patent/CH272612A/en

Links

Classifications

    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B18/00Mechanisms for setting frequency
    • G04B18/02Regulator or adjustment devices; Indexing devices, e.g. raquettes
    • G04B18/026Locking the hair spring in the indexing device, e.g. goupille of the raquette

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

  

      Raquette.       La présente invention a pour objet une  raquette pivotant     coaxialement    à l'axe du ba  lancier et comportant, pour limiter la partie  active dit spiral, une goupille et une clé de  raquette. La raquette suivant l'invention est  caractérisée en ce que la clé limitant vers  l'extérieur le jeu de la spire extérieure du  spiral est pivotée en un point. situé en plan  sur une droite, menée par le point de limi  tation     du    spiral et formant un angle avec la  droite joignant les     centres    du balancier et, de  la goupille limitant. le jeu intérieur.  



  L'angle mentionné ci-dessus est de préfé  rence un angle droit.  



  Le dessin annexé représente, à titre  d'exemple, une forme d'exécution de la ra  quette suivant l'invention.  



  fia fia. 1 en est une vue en plan, et.  



  la     fig.    ? une vue, partiellement en     coupe,          suivant    la ligne     _1-D    de la fin. 1.  



  La raquette 1 est ajustée sur le coq 2 par  le coqueret. 3, autour     duquel    elle peut tourner  à     frottement    gras. Le spiral 5 est. fixé au pi  ton     h.    La     goupille        -1    est filée à la     raquette    1  par chassage ou     rivetage,    et limite le jets ou  ébat de la spire extérieure du spiral. 5 vers  l'intérieur.  



  La clé 6 occupe une position spéciale.     'Me-          nons    la droite     C-D        (fig.1)    joignant les centres  du     coqueret    3 et de la goupille I, et la droite       A-B        perpendieulaire    à     C-D    au point de  limitation du spiral.

   L'axe 7 de pivotement de    la clé 6 est. parallèle à l'axe du balancier et est  situé sur la droite     A-B.        A1'aided'un    tournevis  engagé dans une fente de l'axe 7, on peut     ma-          noeuvrer    la clé 6 qui tourne à     frottement    gras.  La clé 6 se termine par un bec qui décrit un  arc de cercle quand la clé tourne. En parti  culier, quand le bec susdit s'approche de la       goupille    4, sa trajectoire finit. par être per  pendiculaire à la spire extérieure du spiral 5  et non pas tangente comme à l'ordinaire.

   II  est possible, en     manoeuvrant    la clé 6, d'aug  menter, de diminuer ou encore de supprimer  complètement le jeu ou ébat de la spire exté  rieure du spiral.  



  On obtient ainsi les mêmes avantages  qu'avec des montres sans roupilles de ra  quette, dans lesquelles le spiral n'est fixé que  par un piton; la- marche     est    beaucoup plus  régulière. En revanche, le     réglage    peut se  taire facilement, sans avoir besoin de tou  cher le balancier.



      Racket. The subject of the present invention is a racket pivoting coaxially with the axis of the lancing device and comprising, to limit the active part called hairspring, a pin and a racket key. The racket according to the invention is characterized in that the key limiting outwardly the play of the outer coil of the hairspring is pivoted at a point. located in plan on a straight line, led by the limit point of the hairspring and forming an angle with the straight line joining the centers of the balance and, of the limiting pin. the inner game.



  The angle mentioned above is preferably a right angle.



  The appended drawing represents, by way of example, an embodiment of the racket according to the invention.



  fia fia. 1 is a plan view, and.



  fig. ? a view, partially in section, taken along line _1-D from the end. 1.



  Racket 1 is adjusted on cock 2 by the cockerel. 3, around which it can turn with greasy friction. The hairspring 5 is. fixed to the pi ton h. The -1 pin is threaded to the racket 1 by driving or riveting, and limits the jets or beating of the outer coil of the hairspring. 5 inward.



  Key 6 occupies a special position. 'Let us take the line C-D (fig. 1) joining the centers of the jack 3 and the pin I, and the line A-B perpendicular to C-D at the limit point of the hairspring.

   The key 6 pivot axis 7 is. parallel to the axis of the balance and is located on the line A-B. Using a screwdriver engaged in a slot in the shaft 7, you can handle the wrench 6 which turns with greasy friction. Key 6 ends with a beak which describes an arc of a circle when the key turns. In particular, when the aforesaid nozzle approaches the pin 4, its trajectory ends. by being per pendicular to the outer turn of the balance spring 5 and not tangent as usual.

   It is possible, by maneuvering the key 6, to increase, decrease or even completely eliminate the play or beating of the outer turn of the hairspring.



  The same advantages are thus obtained as with watches without rack pins, in which the hairspring is only fixed by a stud; walking is much more regular. On the other hand, the adjustment can be easily silenced, without having to touch the balance.

 

Claims (1)

REVENDICATION: Raquette pivotant coaxialement à. l'axe du balancier et comportant., pour limiter la partie active du spiral, une goupille et une clé de raquette, caractérisée en ce que la clé limi tant vers l'extérieur le jeu de la spire exté rieure du spiral est piv otée en un point situé en plan sur une droite, menée par le point de limitation du spiral et formant -Lui angle avec la droite joignant, les centres du balancier et de la goupille limitant le jeu intérieur. SOUS-REVENDICATIONS: 1. CLAIM: Snowshoe pivoting coaxially with. the axis of the balance and comprising., to limit the active part of the hairspring, a pin and a racket key, characterized in that the key limiting outwardly the play of the outer coil of the hairspring is pivoted in a point located in plan on a straight line, led by the limit point of the hairspring and forming an angle with the line joining, the centers of the balance and of the pin limiting the internal play. SUBCLAIMS: 1. Raquette selon la revendication, caracté risée en ce que l'axe de pivotement de la clé est situé en plan sur la droite, menée par le point de limitation du spiral, perpendiculaire- ment à la droite joignant les centres du ba lancier et de la goupille. 2. Raquette selon la revendication, carac térisée en ce que la clé tourne à frottement. gras. Racket according to claim, characterized in that the pivot axis of the key is located in a plane on the right, led by the limit point of the hairspring, perpendicular to the right joining the centers of the bayonet and the pin. 2. Racket according to claim, charac terized in that the key rotates frictionally. fat.
CH272612D 1948-09-06 1948-09-06 Racket. CH272612A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH272612T 1948-09-06

Publications (1)

Publication Number Publication Date
CH272612A true CH272612A (en) 1950-12-31

Family

ID=4478811

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272612D CH272612A (en) 1948-09-06 1948-09-06 Racket.

Country Status (1)

Country Link
CH (1) CH272612A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724946A (en) * 1951-01-22 1955-11-29 Fontainemelon Horlogerie Hair spring regulator for watches
FR2390766A1 (en) * 1977-05-12 1978-12-08 Schild Sa A RACKET FOR WATCHMAKING MOVEMENT
CH704189A1 (en) * 2010-12-08 2012-06-15 Elsbeth Roesner Balance wheel and hairspring assembly for wrist watch, has diurnal rate regulating device comprising gripper formed by arm, where arm pivots around axis to vary clearance space to modify active length of hairspring

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2724946A (en) * 1951-01-22 1955-11-29 Fontainemelon Horlogerie Hair spring regulator for watches
FR2390766A1 (en) * 1977-05-12 1978-12-08 Schild Sa A RACKET FOR WATCHMAKING MOVEMENT
US4201042A (en) * 1977-05-12 1980-05-06 A. Schild S.A. Regulator for a timepiece movement
CH704189A1 (en) * 2010-12-08 2012-06-15 Elsbeth Roesner Balance wheel and hairspring assembly for wrist watch, has diurnal rate regulating device comprising gripper formed by arm, where arm pivots around axis to vary clearance space to modify active length of hairspring

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