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:
Mar. 11, 2008
Filed:
Apr. 24, 2003
Laurent Besse, Villers-le-Lac, FR;
Laurent Besse, Villers-le-Lac, FR;
Zenith International S.A., Le Locle, CH;
Abstract
The invention relates to a mechanical timepiece with a jumping second hand (), consisting of a barrel, a first gear train which is driven by the barrel and which comprises a minute wheel () and a second wheel (), an escapement which is actuated by the gear train and a regulating element, the oscillations of said regulating element being maintained by the escapement. Moreover, the aforementioned escapement comprises an escapement wheel () which performs a revolution in 4 seconds by means of jumps. For the purpose of the jumping second function, the inventive piece comprises a second gear train, the first mobile () thereof being mounted to the arbor of the escapement wheel () and the last mobile () of same being mounted to the arbor bearing the hand ().