Roller rocker arm
First Claim
1. A roller rocker arm comprising a rocker arm body having a rocking center hole through which a rocker shaft is inserted and a pair of forked projections, and adapted to be rockably supported to said rocker shaft;
- a hollow roller pin inserted into a pair of pin holes formed through said pair of forked projections, and fixed between said pair of forked projections in a direction perpendicular to a tangent of a circle about a rocking center axis of said rocker arm body;
a cam follower roller through which said roller pin is inserted;
a plurality of needle rollers interposed between said cam follower roller and said roller pin for rotatably supporting said cam follower roller to said roller pin in such a manner as to extend in parallel one another in a longitudinal direction of said roller pin;
a pair of disk-like spacers rotatably supported to said roller pin and interposed between ends of said needle rollers and said projections; and
an adjuster mounted in said rocker arm body and adapted to abut against a valve.
2 Assignments
0 Petitions
Accused Products
Abstract
Disclosed herein is a roller rocker arm comprising a rocker arm body having a rocking center hole through which a rocker shaft is inserted and adapted to be rockably supported to the rocker shaft; a pair of forked projections projecting from the rocker arm body in a direction perpendicular to a tangent of a circle about a rocking center axis of the rocker arm body; a pair of pin holes formed through the pair of forked projections; a hollow roller pin inserted into the pair of pin holes and fixed between the pair of forked projections; a cam follower roller through which the roller pin is inserted; a plurality of needle rollers interposed between the cam follower roller and the roller pin for rotatably supporting the cam follower roller to the roller pin in such a manner as to extend in parallel one another in a longitudinal direction of the roller pin; a pair of disk-like spacers rotatably supported to the roller pin and interposed between ends of the needle rollers and the projections; and an adjuster mounted in the rocker arm body and adapted to abut against a valve.
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Citations
11 Claims
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1. A roller rocker arm comprising a rocker arm body having a rocking center hole through which a rocker shaft is inserted and a pair of forked projections, and adapted to be rockably supported to said rocker shaft;
- a hollow roller pin inserted into a pair of pin holes formed through said pair of forked projections, and fixed between said pair of forked projections in a direction perpendicular to a tangent of a circle about a rocking center axis of said rocker arm body;
a cam follower roller through which said roller pin is inserted;
a plurality of needle rollers interposed between said cam follower roller and said roller pin for rotatably supporting said cam follower roller to said roller pin in such a manner as to extend in parallel one another in a longitudinal direction of said roller pin;
a pair of disk-like spacers rotatably supported to said roller pin and interposed between ends of said needle rollers and said projections; and
an adjuster mounted in said rocker arm body and adapted to abut against a valve. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- a hollow roller pin inserted into a pair of pin holes formed through said pair of forked projections, and fixed between said pair of forked projections in a direction perpendicular to a tangent of a circle about a rocking center axis of said rocker arm body;
Specification