BALANCE SPRING MADE OF MICROMACHINABLE MATERIAL WITH ISOCHRONISM CORRECTION PART

• Main Authors: DAVIDE SARCHI, MARECHAL SYLVAIN, POLYCHRONIS NAKIS KARAPATIS
• Format: Patent
• Language: English; Japanese
• Published: 08.12.2016
• Subjects: HOROLOGY; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; MECHANICALLY-DRIVEN CLOCKS OR WATCHES; PHYSICS; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS

PROBLEM TO BE SOLVED: To provide a balance spring made of a micromachinable material with an isochronism correction.SOLUTION: There is provided a timepiece balance spring 1 made of a micromachinable material including a plurality of stages 10 is provided, each stage forming a spiral wound spring, parallel to each other and all attached to a common axial collet or to the same balance staff, each stage including, at its respective outer end 30, its own attachment means 40 to a balance spring stud, the its own attachment means 40 being independent of those of the other stages, the attachment means including a position adjustment means 50 with respect to a balance spring stud, which is also independent of those of the other stages, the attachment means and the position adjustment means together forming a built-in isochronism correction mechanism for the balance spring 1, and the position adjustment means including a plurality of discrete position adjustment positions including housings each arranged to retain a stud 3.SELECTED DRAWING: Figure 1 【課題】等時性修正部を有する、微細加工可能材料から製造したひげぜんまいを提供する。【解決手段】複数の段１０を備える、微細加工可能材料から製造した計時器ひげぜんまい１であって、各段は、渦巻きぜんまいを形成し、互いに平行であり、全て、共通の軸コレット又は同じ天真に組み付けられ、各段は、段のそれぞれの外側端部３０に、ひげぜんまいスタッドへの独自の取付け手段４０を含み、独自の取付け手段は、他の段の取付け手段とは別個であり、取付け手段は、ひげぜんまいスタッドに対する位置調節手段５０を備え、位置調節手段も、他の段の位置調節手段とは別個であり、取付け手段及び位置調節手段は、ひげぜんまい１のための内蔵等時性修正手段を共に形成し、位置調節手段は、スタッド３を保持するようにそれぞれ構成した筐体を備える複数の個別の位置調節位置を含む。【選択図】図１