Title:
チェーンテンショナ
Document Type and Number:
Japanese Patent JP6378661
Kind Code:
B2
Abstract:
To provide a chain tensioner capable of constantly providing an appropriate reaction force and damping characteristics for a variety of tension fluctuations irrespective of chain elongation, and capable of accommodating the tension fluctuations. The chain tensioner includes a distal end plunger 130 slidably inserted in a distal end bore 121 of a plunger 120, and a distal end biasing means 141 accommodated inside a second oil pressure chamber 102 such as to be able to expand and contract and to urge the distal end plunger 130. The chain tensioner further includes a check valve unit 150 that stops oil flowing from an oil pressure chamber 101 into the second oil pressure chamber 102, and a first relief valve unit 160 that releases oil toward the oil pressure chamber 101 when the pressure reaches or exceeds a predetermined high level.
Inventors:
Yuji Kurematsu
Application Number:
JP2015224045A
Publication Date:
August 22, 2018
Filing Date:
November 16, 2015
Export Citation:
Assignee:
Tsubakimoto Chain Co., Ltd.
International Classes:
F16H7/08
Domestic Patent References:
| JP1061736A | ||||
| JP2011179621A |
Attorney, Agent or Firm:
Nobuo Fujimoto
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke