CH311292A - Bearing for watch movement mobiles. - Google Patents

Bearing for watch movement mobiles.

Info

Publication number
CH311292A
CH311292A CH311292DA CH311292A CH 311292 A CH311292 A CH 311292A CH 311292D A CH311292D A CH 311292DA CH 311292 A CH311292 A CH 311292A
Authority
CH
Switzerland
Prior art keywords
bearing
mobiles
watch movement
plastic material
product
Prior art date
Application number
Other languages
French (fr)
Inventor
S A A Schild
Original Assignee
Schild Sa A
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 Schild Sa A filed Critical Schild Sa A
Publication of CH311292A publication Critical patent/CH311292A/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
    • G04B31/00Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/004Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/016Plastic bearings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sliding-Contact Bearings (AREA)

Description

  

      Palier   <B>pour mobiles de mouvement d'horlogerie.</B>    La. présente invention concerne un palier  pour mobiles, tels que balancier, roues,  masse oscillante, etc., de mouvement d'horlo  gerie.  



  Le palier selon l'invention est     caractérisé     en ce qu'il comprend au moins un coussinet  en une matière plastique organique.  



  On peut donner à ce palier la forme de  n'importe quel palier usuel, dont le coussinet       est    constitué habituellement par une pierre  synthétique ou par un bouchon en     métal    dur.  On l'usine par les     méthodes    de pratique cou  rante et on peut le destiner à supporter les  pivots de n'importe quel mobile d'un mouve  ment, d'horlogerie, en particulier ceux du ba  lancier, des mobiles de l'échappement, des  roues de finissage ou de la. masse     oscillante.     



  A titre d'exemple, le     coussinet    peut être  en un matériau tel qu'un produit de poly  mérisation de l'acide acrylique, comme le pro  duit de marque     plexiglas;    ou en un matériau  tel qu'un produit de     polyeondensation    d'ami  nes     aliphatiques    et d'acides organiques     poly-          basiques,    comme en     particulier    le produit de  marque nylon.  



  L'expérience a montré qu'un tel palier       eomparé    aux paliers usuels présente l'avan  tage de ne pas     nécessiter    de lubrifiant, résol-    vaut ainsi un important problème de l'indus  trie horlogère.  



  En outre,     quoique    le matériau     utilisé    pour  fabriquer le coussinet de ce palier soit tendre  comparativement aux matériaux     utilisés    jus  qu'à présent, l'expérience a     montré    que  l'usure due aux frottements     dans    un palier  selon l'invention, est négligeable et qu'elle est  en tout cas plus faible que si l'on     utilise    par  exemple un coussinet en métal dur.



      The present invention relates to a bearing for moving parts, such as balance wheels, wheels, oscillating weight, etc., of a clock movement.



  The bearing according to the invention is characterized in that it comprises at least one bearing in an organic plastic material.



  This bearing can be given the shape of any conventional bearing, the bearing of which is usually constituted by a synthetic stone or by a hard metal plug. It is manufactured by the methods of current practice and can be intended to support the pivots of any mobile of a movement, of watchmaking, in particular those of the ba lance, of the mobiles of the escapement, of the finishing wheels or the. oscillating weight.



  By way of example, the pad may be made of a material such as a product for the polymerization of acrylic acid, such as the product of the Plexiglas brand; or of a material such as a polyondensation product of aliphatic amines and polybasic organic acids, such as in particular the nylon brand product.



  Experience has shown that such a bearing compared to conventional bearings has the advantage of not requiring lubricant, thus resolving an important problem in the watchmaking industry.



  In addition, although the material used to manufacture the bush of this bearing is soft compared to the materials used until now, experience has shown that the wear due to friction in a bearing according to the invention is negligible and that 'it is in any case lower than if, for example, a hard metal pad is used.

 

Claims (1)

REVENDICATION: Palier pour mobiles de mouvement d'hor logerie, caractérisé en ce qu'il comprend au moins un coussinet en une matière plastique organique. SOUS-REVENDICATIONS 1. Palier selon la revendication, caracté risé en ce que ladite matière plastique est un produit de polymérisation de l'acide acry lique. 2. CLAIM: Bearing for mobile clock movements, characterized in that it comprises at least one bearing in an organic plastic material. SUB-CLAIMS 1. Bearing according to claim, characterized in that said plastic material is a polymerization product of acrylic acid. 2. Palier selon la revendication, caraeté- risé en ce que ladite matière plastique est un produit de polycondensation d'amines alipha tiques et d'acides organiques polybasiques. Bearing according to claim, characterized in that said plastic material is a polycondensation product of aliphatic amines and polybasic organic acids.
CH311292D 1951-12-17 1951-12-17 Bearing for watch movement mobiles. CH311292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH311292T 1951-12-17

Publications (1)

Publication Number Publication Date
CH311292A true CH311292A (en) 1955-11-30

Family

ID=4494489

Family Applications (1)

Application Number Title Priority Date Filing Date
CH311292D CH311292A (en) 1951-12-17 1951-12-17 Bearing for watch movement mobiles.

Country Status (1)

Country Link
CH (1) CH311292A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438109A (en) * 1965-10-18 1969-04-15 Erard Raoul Henri Method of making a bearing
EP2884348A1 (en) * 2013-12-11 2015-06-17 The Swatch Group Research and Development Ltd. Bi-material shockproof system for a clock piece

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438109A (en) * 1965-10-18 1969-04-15 Erard Raoul Henri Method of making a bearing
EP2884348A1 (en) * 2013-12-11 2015-06-17 The Swatch Group Research and Development Ltd. Bi-material shockproof system for a clock piece
WO2015086472A3 (en) * 2013-12-11 2015-08-06 The Swatch Group Research And Development Ltd Anti-shock system for a two-material timepiece
US10012955B2 (en) 2013-12-11 2018-07-03 The Swatch Group Research And Development Ltd Bimaterial anti-shock system for timepieces

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