Cold-formed rocker arm with bearing flanges and splash plate

Details Cold-formed rocker arm with bearing flanges and splash plate Cold-formed rocker arm with bearing flanges and splash plate

1989-09-27

1990-07-31

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9041, F01L 118

Patent

active

049442570

ABSTRACT:
A cold-formed, specifically stamped, rocker arm is disclosed. The rocker arm has a one-piece metal body of generally inverted U-shaped cross section throughout most of its length. The body has a top wall and two generally parallel side walls which extend downwardly therefrom and are structurally integral therewith. The side walls have annular extruded flanges extnding outwardly therefrom and forming aligned bores to receive bearings. The rocker arm body has a recess at one end to engage an end of a push rod and a surface at the other end to engage an end of a valve stem. The top wall of the rocker arm body has a splash plate extending upwardly therefrom and the wall also has a port communicating with the recess to direct oil at the splash plate which is then dispersed and more widely distributed by the plate.

REFERENCES:
patent: 3150648 (1964-09-01), Gropp
patent: 3198183 (1965-08-01), Ball
patent: 3270727 (1966-09-01), Nance
patent: 3289657 (1966-12-01), Winter, Jr.
patent: 3621823 (1971-11-01), Lombardi
patent: 3667434 (1972-06-01), Sandusky
patent: 4314732 (1982-02-01), Murphy
patent: 4380219 (1983-04-01), Walsh
patent: 4440121 (1984-04-01), Clancy et al.
patent: 4784095 (1988-11-01), Golding et al.
patent: 4799464 (1989-01-01), Patel et al.

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