Title:
TRANSMISSION
Document Type and Number:
Japanese Patent JP2023074261
Kind Code:
A
Abstract:
To provide a transmission which can perform a forward four-speed gear change without being accompanied by the double-switching of a fastening element at a gear change, by a simple structure.SOLUTION: A transmission comprises: a first planetary gear mechanism having a first sun gear, a first carrier, and a first ring gear; a second planetary gear mechanism having a second sun gear, a second carrier, and a second ring gear; a first fastening element; a second fastening element; a third fastening element; a fourth fastening element; and a transmission case. The first fastening element is located between the second carrier and the transmission case, the second fastening element is located between the first carrier and the second sun gear, the third fastening element is located between the second fastening element and the second carrier, the fourth fastening element is located between the first sun gear and the second carrier, the first ring gear is non-rotatably connected to the transmission case, the first sun gear is connected with an input shaft, and the second ring gear is connected with an output shaft.SELECTED DRAWING: Figure 1
Inventors:
OSHITARI SHUNICHI
Application Number:
JP2021187125A
Publication Date:
May 29, 2023
Filing Date:
November 17, 2021
Export Citation:
Assignee:
JATCO LTD
International Classes:
F16H3/66
Attorney, Agent or Firm:
Patent Attorney Corporation Goto Patent Office