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US 2024/0167542 A1Published application
Chain tensioner
AssigneeTsubakimoto Chain Co.
InventorYuichiro Ishikawa
Life of this patent
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AssigneeTsubakimoto Chain Co.
InventorYuichiro Ishikawa
Estimating the term…
A chain tensioner that can ensure oil with such a volume that sufficiently fills a pressure oil chamber in a tensioner body and can quickly fill the pressure oil chamber with the oil with a simple constitution and without increasing a size of the tensioner body is provided. In a chain tensioner including a tensioner body having a plunger holding hole, a plunger, and urging means that is telescopically accommodated in a pressure oil chamber and urges the plunger, the plunger holding hole has a plunger holding wall sliding with the plunger and a plunger holding bottom-surface part, an oil storing chamber is provided on an outer periphery side of the plunger holding wall, and on an end part on the plunger holding bottom-surface part side of the plunger holding hole, a check valve unit that connects the pressure oil chamber and the oil storing chamber are provided.
A chain tensioner comprising a tensioner body having a cylindrical plunger holding hole one side of which is open, a cylindrical plunger slidably inserted into the plunger holding hole, and urging means that is telescopically accommodated in a pressure oil chamber formed by the plunger holding hole and the plunger and urges the plunger to a protruding direction on a front side, wherein
Dependencies are inferred from the claim text.