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.

Date of Patent:
Apr. 17, 1984

Filed:

Sep. 29, 1982
Applicant:
Inventors:

Gerhard Stotz, Pforzheim, DE;

Adolf Sedlak, Wurmberg, DE;

Jean-Pierre Skwarek, Besancon, FR;

Assignee:

Timex Corporation, Waterbury, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
368 37 ; 368 34 ;
Abstract

A wristwatch with a stepping motor driving the hands through a normal gear train also includes a supplementary gear train driving a circumferential date ring showing the calendar date. The gear train includes a planetary gear assembly, which may also be selectively operated by an exterior manually rotatable button to change the date without interfering with the normal driving of the date ring from the stepping motor. Preferably the manually rotatable button is operable from the back of the watch using a ball-point pen or the like.


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