Title:
TENSIONER
Document Type and Number:
Japanese Patent JP2019015360
Kind Code:
A
Abstract:
To provide a tensioner that has a simple structure, reduces manufacturing cost, and realizes good valve opening performance of a check valve.SOLUTION: A tensioner 10 comprises a check valve 50 for allowing an inflow of oil to the side of a pressure oil chamber 11 from the side of an oil supply passage 33, and preventing an outflow of the oil to the side of the oil supply passage 33 from the side of the pressure oil chamber 11. The check valve 50 comprises a seat member 60, and a valve member 70. The seat member 60 comprises a seat body part 61, and a through hole 62 formed in the seat body part 61. The valve member 70 comprises a valve part 71 arranged on the side of the pressure oil chamber with respect to the seat body part 61, a retaining part 72 arranged on the side of the oil supply passage 33 with respect to the seat body part 61, and a connection part 73 for connecting the valve part 71 and the retaining part 72.SELECTED DRAWING: Figure 2
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Inventors:
KAWASAKI YUYA
TAKAGI YUDAI
TAKAGI YUDAI
Application Number:
JP2017133967A
Publication Date:
January 31, 2019
Filing Date:
July 07, 2017
Export Citation:
Assignee:
TSUBAKIMOTO CHAIN CO
International Classes:
F16H7/08
Attorney, Agent or Firm:
Nobuo Fujimoto
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke
Shigenobu Oshiro
Masuo Yamada
Shigenobu Keisuke