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:
Oct. 09, 2007

Filed:

Jan. 30, 2004
Applicants:

Takao Sato, Saitama, JP;

Shinji Kamiya, Saitama, JP;

Yasuhiro Morimoto, Saitama, JP;

Toru Kamoshida, Saitama, JP;

Toshiyuki Yumoto, Saitama, JP;

Inventors:

Takao Sato, Saitama, JP;

Shinji Kamiya, Saitama, JP;

Yasuhiro Morimoto, Saitama, JP;

Toru Kamoshida, Saitama, JP;

Toshiyuki Yumoto, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power transmission comprises a belt type continuously variable ratio-change mechanism CVT and a fixed ratio rotational transmission mechanism GT, which transmit the rotational driving force of a primary shaftrotationally driven by an engine to a countershaftwith a speed ratio change. The continuously variable ratio-change mechanism comprises a drive pulley, a driven pulleyand a metal beltwhile the fixed ratio rotational transmission mechanism GT comprises a forward drive gear train, a forward output transmission gear train, and a reverse drive gear train. The forward drive gear train transmits the rotation of an input drive gearon the primary shaftthrough an idler gearto a LOW driven gearon a secondary shaft, and the forward output transmission gear train transmits the rotation of the secondary shaftto the countershaft. The reverse drive gear train transmits the rotation of the input drive gearthrough the idler gearto a reverse driven gearon the countershaft


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