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. 21, 2015

Filed:

Dec. 28, 2012
Applicant:

Seiko Precision Inc., Narashino-shi, Chiba, JP;

Inventor:

Koji Ehara, Narashino, JP;

Assignee:

SEIKO Precision Inc., Narashino-Shi, Chiba, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 33/22 (2006.01); B41J 33/04 (2006.01); B41J 33/16 (2006.01); B41J 33/38 (2006.01); B41J 33/14 (2006.01);
U.S. Cl.
CPC ...
B41J 33/22 (2013.01); B41J 33/04 (2013.01); B41J 33/16 (2013.01); B41J 33/38 (2013.01); B41J 33/14 (2013.01);
Abstract

The ribbon winding unit is equipped with a first moving gear, a second moving gear, a first intermediate gear, a tumbler gear, and a winding member. The first intermediate gear engages with the first moving gear when the first moving gear and the second moving gear move in a given direction, and disengages from the first moving gear when the first moving gear and the second moving gear move in an opposite direction. The tumbler gear engages with the first intermediate gear, engages with the second moving gear when the first moving gear and the second moving gear move in the opposite direction, and disengages from the second moving gear when the first moving gear and the second moving gear move in the given direction.


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