Rocker arm pivot assembly

Details Rocker arm pivot assembly Rocker arm pivot assembly

1986-05-27

1988-01-12

Feinberg, Craig R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9041, 384 2, F01L 118

Patent

active

047183799

ABSTRACT:
A retrofit roller bearing pivot assembly for a rocker arm of an internal combustion engine valve gear. A mounting stud or post threaded on one end for attachment to the engine has a fulcrum member received thereover and registered against a head formed thereon with transversely extending oppositely disposed cylindrical bearing surfaces. A roller bearing race is received on each of the bearing surfaces and a semi-cylindrical sleeve member has the post received therethrough and has concave portions on opposite ends thereof journalled on the fulcrum bearing surfacers. The sleeve is retained against the bearings by a spring clip received over the end of the post and engaging ledges on the sleeve. The fulcrum is retained in registration on the post by a contoured supporting spacer held in place by a suitable snap ring received over the post threads. The assembly is sized to drop between the side wall of a cupped rocker arm.

REFERENCES:
patent: 2123681 (1938-07-01), Willgoos
patent: 2572968 (1947-03-01), Bachle
patent: 3251350 (1966-05-01), Thompson
patent: 4314732 (1982-02-01), Murphy
patent: 4497307 (1985-02-01), Paar et al.
patent: 4628874 (1986-12-01), Barlow

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