BALANCE WHEEL

PROBLEM TO BE SOLVED: To provide a balance wheel which has a high rigidity, does not easily deform by impact, and has a small number of small members, without increasing the size of a timepiece.SOLUTION: The balance wheel includes: a connection part 3 inserted in a balance staff member 2; an arm 4 c...

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Bibliographic Details
Main Author NIIDA YUSAKU
Format Patent
LanguageEnglish
Japanese
Published 24.08.2017
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
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Summary:PROBLEM TO BE SOLVED: To provide a balance wheel which has a high rigidity, does not easily deform by impact, and has a small number of small members, without increasing the size of a timepiece.SOLUTION: The balance wheel includes: a connection part 3 inserted in a balance staff member 2; an arm 4 connected to the connection part 3; and a rim 1 connected to the arm 4, the arm 4 having a first arm 41 and a second arm 42 in the form of truss structure.SELECTED DRAWING: Figure 1 【課題】小型化された少数の部材を用いて、時計を大きくすることなく、剛性が高く衝撃によって変形し難いテン輪を提供する。【解決手段】テン輪は、テン真２に挿入される接続部３と、接続部３と接続されるアーム４と、アーム４と接続されるリム１と、を有しており、さらに、アーム４は、トラス構造を形成する第１のアーム４１と第２のアーム４２と、を有する。【選択図】図１
Bibliography:Application Number: JP20160028630