Patent ID: 7699730

Claim:
A hydraulic tensioner lifter comprising: a tensioner body having a housing hole; a plunger slidably fitted into said housing hole; a high pressure oil chamber which is surrounded by said tensioner body and said plunger and fed with oil pressure; a tensioner spring for biasing said plunger in said high pressure oil chamber so as to make it project; and a floating sleeve, wherein said tensioner spring consists of a plurality of springs including a first spring and a second spring arranged in series, and wherein the plunger includes a front end small-diameter part and a base end large-diameter part and an inner step end face between the large-diameter part and the small-diameter part, the first spring being disposed in the small-diameter part, and the second spring being disposed in the large diameter part, wherein the floating sleeve is disposed between the first and second spring and is adapted to engage with the inner step end face.