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:
Nov. 15, 1988

Filed:

Nov. 16, 1987
Applicant:
Inventors:

Masaru Shoji, Akishima, JP;

Wataru Yamada, Tachikawa, JP;

Masayoshi Tanazawa, Musashino, JP;

Mitsunobu Yatabe, Komae, JP;

Kenichi Nakamura, Fussa, JP;

Satoshi Fujio, Akishima, JP;

Masaki Yokohama, Fussa, JP;

Takashi Watanabe, Tachikawa, JP;

Kanenori Ochiai, Kodaira, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G04B / ; F16H / ;
U.S. Cl.
CPC ...
368185 ; 368323 ; 74434 ; 464 30 ;
Abstract

Synthetic resin shaft and gear portions are molded to be capable of slipping each other. During a normal timepiece operation, the shaft and gear portions are integrally rotated. During a hand setting operation, the shaft portion is rotated with slip on the gear portion. In this slip structure of a timepiece, at least one of the shaft and gear portions is formed of an oil-containing resin material.


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