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:
Sep. 28, 1999
Filed:
Jul. 27, 1998
Hajime Kashiwase, Tokyo, JP;
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
An automatic transmission comprises a torque converter, a torque converter case for accommodating the torque converter, a transmission, an input shaft for connecting the torque converter with the transmission, a forward and reverse changeover apparatus including a planetary gear, a planetary carrier and a reverse brake, comprising, a forward clutch drum connected with the input shaft, a forward clutch plate provided between the forward clutch drum and the planetary carrier, a lock-up clutch drum connected with the torque converter case, a lock-up clutch plate provided between the forward clutch drum and the lock-up clutch drum, a lock-up clutch piston slidably fitted to the input shaft for engaging and releasing the lock-up clutch plate and provided inside of said forward clutch drum between the forward clutch drum and the forward and reverse changeover apparatus, a forward clutch piston slidably fitted to the input shaft for engaging and releasing the forward clutch plate and provided inside of the forward clutch drum between the lock-up clutch piston and the forward and reverse changeover apparatus, a first pressure chamber provided between the forward clutch piston and the lock-up clutch piston for operating the forward clutch piston, and a second pressure chamber provided between the lock-up clutch piston and the forward clutch drum for operating the lock-up clutch piston.