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:
Apr. 27, 1976
Filed:
Sep. 26, 1974
Applicant:
Inventors:
Mituo Saito, Tokyo, JA;
Kotaro Takahashi, Tokyo, JA;
Assignee:
Citizen Watch Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ;
U.S. Cl.
CPC ...
58 8 / ;
Abstract
An automatic barrel winding mechanism of the unidirectional type in which the main feature resides in a substantially reduced torque ratio : 0.5 - 1.1 in combination with a substantially reduced reduction ratio : 1/60 - 1/126 of the barrel winding gear train for transmitting moton from the barrel-winding mass to the barrel.