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:
Aug. 13, 2013
Filed:
Mar. 02, 2010
Raphaël Courvoisier, Montmollin, CH;
Alphonse Bron, Bassecourt, CH;
Raphaël Courvoisier, Montmollin, CH;
Alphonse Bron, Bassecourt, CH;
Monet Jaquet Droz S A, La Chaux-de-Fonds, CH;
Abstract
A vertical type uncoupling device, in particular in an automatic watch winding mechanism that includes an oscillating mass and a gear train connecting the oscillating mass to a barrel (), wherein a gear train includes a direction reverser device (), a reduction gear () and the uncoupling device (). The uncoupling device includes two coaxial wheels () that can be coupled in rotation in one direction owing to respective Breguet toothings () arranged on the opposite flanks of the wheels. The coaxial wheel (), which is mobile in the axial direction, is secured to a sliding arbour (), which is mounted so as to rotate and slide in fixed bearings (). A return spring () includes an elastic strip that abuts against one end of the sliding arbour () to tend to engage and keep meshed the Breguet toothings. This design reduces friction and saves space. Other applications of this type of uncoupling device in a watch movement are described.