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. 20, 1991
Filed:
May. 25, 1990
Applicant:
Inventor:
Gaston Gagnebin, Bienne, CH;
Assignee:
ETA S.A. Fabriques d'Ebauches, Grenchen, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
368299 ; 368309 ;
Abstract
A timepiece including a ring (6) which assures a quadruple function: that of a water-tight packing between the crystal (1) and the ring; that of securing the caseband (3) to the ring; that of a casing ring for the movement (5) and finally that of securing the back cover to the ring. To this effect the caseband exhibits a cylindrical internal wall (4) entirely overlaid by the ring, said ring exhibiting a first accommodation (8) in which the crystal is engaged, a second accommodation (10) in which the movement is engaged and a lower zone (11) including means (18, 19) for securing the back cover.