Roller valve lifter
AssigneeEd Iskenderian Racing Cams
InventorRonald Michael Iskenderian
Life of this patent
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Abstract
The present invention may be used for vehicle engines having bores in which roller valve lifters reciprocate. A roller valve lifter may have a body with two opposed subtending spaced apart legs. A cam follower roller bearing having a press fit inner sleeve bushing may be rotatably mounted on the pin. Each of the legs may have an oil feed hole that traverses from an exterior surface to an interior surface adjacent to the inner sleeve bushing. The body in an upper portion may have a key device or an attached vertical guide bar to maintain proper orientation of the roller valve lifter to a cam lobe.
Claims11
A device for vehicle engines having bores in which valve lifters reciprocate comprising:
- a roller valve lifter with a body and a cam follower bearing rotatably disposed on a pin attached to two opposed spaced apart legs wherein each of said legs has a pin aperture for receipt of said pin and each end of said pin is rigidly attached to one of said legs;
- an inner sleeve bushing press fit into said cam follower bearing to be disposed between said pin and said cam follower bearing and said inner sleeve bushing having a bearing aperture spaced apart from said pin;
- and
- at least one of said legs having an oil feed hole traversing from an exterior surface to an interior surface to open adjacent said inner sleeve bushing.
Dependencies are inferred from the claim text.