Title: Shock-absorbing bearing for timepiece
Application Number: 200610071784 Application Date: 2006.03.22
Publication Number: 1837993 Publication Date: 2006.09.27
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G04B31/02
Applicant(s) Name: Rolex S. A. Address:
Inventor(s) Name: Kohler Michel
Attorney & Agent: song gecheng
Abstract:
     This shock-absorbing bearing comprises a bearing block ( 1 ), a pierced jewel ( 3 ), an endstone ( 4 ) and a shock-absorbing spring ( 5 ) connected to said bearing block ( 1 ) by four linking arms ( 5 a1 , 5 a2 , 5 a3 , 5 a4), parallel to a plane containing the pivot axis (X) of said bearing and forming two suspension elements ( 5 a1 , 5 c1 , 5 a2 ; 5 a3 , 5 c2 , 5 a4), each having two of said linking arms connected to each other by a branch in the form of an arc ( 5 c1 , 5 c2) centered on said pivot axis (X) and having a radius greater than that of said endstone ( 4 ), these suspension elements being connected to each other by two diametric arms ( 5 e) located on either side of a central support element ( 5 d). The outer ends of said diametric arms ( 5 e) are connected to two of said linking arms (5a2 , 5 a4) belonging to said respective suspension elements ( 5 a1 , 5 c1 , 5 a2 ; 5 a3 , 5 c2 , 5 a4).
Time: 8
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