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. 19, 2014
Filed:
Apr. 26, 2011
Patrick Kury, Langendorf, CH;
Patrick Kury, Langendorf, CH;
Eterna SA Fabrique d'horlogerie, Grenchen, CH;
Abstract
A timepiece includes: —a barrel bridge (), and—a barrel mounted on the barrel bridge, the barrel having: —a drum () which includes an end wall and side walls, —an arbor () which passes through the center of the drum, —a leaf spring housed in the drum and engaging at a first end with the arbor and at a second end with the drum, and—a cover () through which the arbor passes freely and which closes the drum, —a ratchet wheel () secured to the arbor to tension the leaf spring. The drum is pivoted by a first ball bearing including an intermediate ring (), an inner ring () secured to the arbor and an outer ring (), one of the intermediate ring and the outer ring being fixed to the barrel bridge and the other being secured to the end wall.