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. 01, 1977
Filed:
May. 24, 1976
Rene Widmer, Fontainemelon, CH;
Fabrique d'Horlogerie de Fontainemelon S.A., Fontainemelon, CH;
Abstract
A securing device which permits the outer end of the hair-spring in a timepiece to be fastened either by gluing or pinning it in place. A U-shaped arm extends radially of the axis of the balance wheel and provides a pair of ears, one for gluing the hair-spring and the other for pinning it. The manufacturer of the watch can thus use the ear for gluing the outer end of the hair-spring, as this method has advantages for production purposes. When the hair-spring is replaced, the watch-repairman can use the other ear for pinning the outer end of the hair-spring without deforming the hair-spring, thereby obtaining the advantages of this method for repair purposes.