Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
173 words
A valve moving mechanism for a four-cycle engine of a vehicle operatively connected to a crank shaft of the engine and adapted to move intake and exhaust valves, comprising: a cam shaft operatively connected to the crank shaft; cam means including first, second and third cams mounted on said cam shaft, said second and third cams having outer profiles different from that of said first cam disposed between said second and third cams; a rocker shaft supported to be rotatable; rocker arm means mounted to be rotatable on said rocker shaft and including first, second and third rocker arms driven in engagement with said first, second and third cams, respectively, said rocker arm means being operatively connected to the intake and exhaust valves, said first, second and third rocker arms having supporting bases mounted on said rocker shaft; and bush means mounted on said rocker shaft so as to be selectively in engagement with said first, second and third rocker arms and having an axis eccentric with an axis of the rocker shaft.
Claim 2
Dependent Claim
173 words
A valve moving mechanism for a four-cycle engine of a vehicle operatively connected to a crank shaft of the engine and adapted to move intake and exhaust valves, comprising: a cam shaft operatively connected to the crank shaft; cam means including first, second and third cams mounted on said cam shaft, said second and third cams having outer profiles different from that of said first cam disposed between said second and third cams; a rocker shaft supported to be rotatable; rocker arm means mounted to be rotatable on said rocker shaft and including first, second and third rocker arms driven in engagement with said first, second and third cams, respectively, said rocker arm means being operatively connected to the intake and exhaust valves, said first, second and third rocker arms having supporting bases mounted on said rocker shaft; and bush means mounted on said rocker shaft so as to be selectively in engagement with said first, second and third rocker arms and having an axis eccentric with an axis of the rocker shaft.
Claim 3
Dependent Claim
70 words
A valve moving mechanism according to claim 1, wherein said first rocker arm is provided with divergent front ends directly abutting against end portions of said intake and exhaust valves, said second and third rocker arms are provided with front ends abutting against the divergent fron ends of said first rocker arm and said bush means is operatively engaged with the supporting bases of said second and third rocker arms.
Claim 4
Dependent Claim
71 words
A valve moving mechanism according to claim 1, wherein said second and third rocker arms are provided with front ends directly abutting against end portions of said intake and exhaust valves, said first rocker arm is provided with divergent front ends abutting against the front ends of said second and third rocker arms and said bush means is operatively engaged with the supporting bases of said second and third rocker arms.
Claim 5
Dependent Claim
68 words
A valve moving mechanism according to claim 1, wherein said first rocker arm is provided with divergent front ends directly abutting against end portions of said intake and exhaust valves, said second and third rocker arms are provided with front ends abutting against the divergent front ends of said first rocker arm and said bush means is operatively engaged with the supporting base of said first rocker arms.
Claim 6
Dependent Claim
69 words
A valve moving mechanism according to claim 1, wherein said second and third rocker arms are provided with front ends directly abutting against end portions of said intake and exhaust valves, said first rocker arm is provided with divergent front ends abutting against the front ends of said second and third rocker arms and said bush means is operatively engaged with the supporting base of said first rocker arms.