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Title:
STEPLESS TRANSMISSION AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/065046
Kind Code:
A1
Abstract:
Provided is a stepless transmission comprising: a first pulley having a first stationary sheave and a first movable sheave; a first cylinder for forming a first oil chamber together with the first movable sheave; a second pulley having a second stationary sheave and a second movable sheave; a second cylinder for forming a second oil chamber together with the second movable sheave; and a power transmitting belt passed on the first pulley and the second pulley. The first cylinder has a first member affixed to a first shaft, and also has a second member joined to the outer periphery of the first member. A bearing is disposed between the outer periphery of the first member and the inner periphery of a case. The axial thickness of the portion of the first member, which is capable of coming into direct contact with the first movable shave, is greater than the thickness of the second member.

Inventors:
TSUKUDA, Kazumichi (LTD. 10 Takane, Fujii-cho, Anjo-sh, Aichi 92, 〒4441192, JP)
YAMADA, Kenta (LTD. 10 Takane, Fujii-cho, Anjo-sh, Aichi 92, 〒4441192, JP)
KIKUCHI, Kosuke (LTD. 10 Takane, Fujii-cho, Anjo-sh, Aichi 92, 〒4441192, JP)
HAKAMAGI, Jun (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
AKAMATSU, Norikazu (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
KUWABARA, Shinya (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
Application Number:
JP2018/031721
Publication Date:
April 04, 2019
Filing Date:
August 28, 2018
Export Citation:
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Assignee:
AISIN AW CO., LTD. (10 Takane, Fujii-cho Anjo-sh, Aichi 92, 〒4441192, JP)
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
International Classes:
F16H9/18; B21D53/26; B21D53/88; B21K1/12; F16H55/56
Domestic Patent References:
WO2017038569A12017-03-09
Foreign References:
JP2014098468A2014-05-29
Attorney, Agent or Firm:
ITEC INTERNATIONAL PATENT FIRM (Gotanda Daiichiseimei Bldg, 19-3 Nishigotanda 2-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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