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:
Dec. 30, 2014
Filed:
Dec. 04, 2012
Eta SA Manufacture Horlogere Suisse, Grenchen, CH;
Olivier Mertenat, Solothurn, CH;
ETA SA Manufacture Horlogere Suisse, Grenchen, CH;
Abstract
The column wheel () for a 3 stroke mechanism has a hub () arranged at the centre of a superstructure exhibiting rotational symmetry of order n, the superstructure including n radial arms () and n columns () parallel to the axis of rotation of the column wheel, the columns being regularly distributed along the circumference of the column wheel and separated from each other by n empty spaces forming as many openings between the columns. The column wheel is characterized in that the width of the columns () is larger than the openings between the columns, and in that the width of the arms () is less than half the width of the columns ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile