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:
Mar. 16, 2010
Filed:
Nov. 04, 2005
Takeo Hiramatsu, Kyoto, JP;
Yoshihiro Kono, Shizuoka, JP;
Seiichiro Takahashi, Kanagawa, JP;
Jonggap Kim, Kanagawa, JP;
Yasushi Yabe, Shizuoka, JP;
Takeo Hiramatsu, Kyoto, JP;
Yoshihiro Kono, Shizuoka, JP;
Seiichiro Takahashi, Kanagawa, JP;
Jonggap Kim, Kanagawa, JP;
Yasushi Yabe, Shizuoka, JP;
JATCO Ltd, Fuji-shi, JP;
Abstract
A double piston and belt type continuously variable transmission comprises a primary pulley provided with a primary piston chamber and a primary clamp chamber; a secondary pulley provided with a secondary piston chamber and a secondary clamp chamber; and an endless belt operatively put around the primary and secondary pulleys. A switching circuit is arranged to connect both the primary and secondary clamp chambers to either one of the primary and secondary piston chambers, which shows a higher hydraulic pressure than the other.