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:
Nov. 18, 2014
Filed:
Aug. 15, 2012
Laurent Kaelin, Sonvilier, CH;
Julien Moulin, Volleges, CH;
Laurent Kaelin, Sonvilier, CH;
Julien Moulin, Volleges, CH;
ETA SA Manufacture Horlogere Suisse, Grenchen, CH;
Abstract
Timepiece gear train device () of reduced height with a large power reserve, driving display means () including a cannon-pinion () and an hour wheel (), which are driven about a main pivot axis (AP), secant to a barrel (), by a motion work () and including a driving wheel (), which pivots about a secondary pivot axis (AS) external to said barrel () and is friction coupled to said motion work () on a friction surface () coaxial to said secondary pivot axis (AS). Said driving wheel () includes a driving cannon pinion () pivoting about a wheel body () along said secondary pivot axis (AS) and coupled by a friction spring () to a shoulder () of said wheel body () forming said friction surface (), said driving cannon-pinion () cooperating with a minute wheel () pivoting about a minute axis (AM).