The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2014
Filed:
Mar. 10, 2011
Ho Ching, Kowloon, HK;
Ching Tom Kong, New Territories, HK;
Guang LI MA, Tianjin, CN;
MicroTechne Research & Development Center Ltd., Hong Kong, HK;
Tianjin Sea-gull Watch Co. Ltd., Tianjin, CN;
Abstract
An oscillator system () of a mechanical timepiece, comprising: at least one balance wheel () that is free to rotate about an axis; and at least one hairspring () connecting the at least one balance wheel () to a fixed point or to another balance wheel (), the hairspring () including: a first coil () connected to the at least one balance wheel (); and a second coil () connected to the fixed point or to the another balance wheel (); and a transition section () connecting the first coil () to the second coil (), wherein an approximately linear restoring torque for the at least one balance wheel () is primarily provided by elastic deformation of the transition section () and the coils (), in order to generate an oscillatory motion for the at least one balance wheel ().