Variable ratio rocker arm

Details Variable ratio rocker arm Variable ratio rocker arm

1978-06-22

1980-01-08

Myhre, Charles J.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9045, 74519, F01L 118

Patent

active

041822900

ABSTRACT:
The amount of lift of a valve lifter rocker arm is determined by a rotatably mounted valve pushrod seat having an eccentrically positioned depression for receiving the pushrod end. The seat is rotatably adjusted to one of two predetermined positions to increase or decrease the leverage ratio of the rocker arm. A screwdriver slot in the seat member permits easy adjustment without removing the rocker arm, and a set screw locks the seat member in the desired position.

REFERENCES:
patent: 1395851 (1921-11-01), McLean
patent: 1455447 (1923-05-01), Ochs
patent: 1654020 (1927-12-01), Schmidt
patent: 1967918 (1934-07-01), Wells et al.
patent: 2322173 (1943-06-01), Spencer
patent: 3189011 (1965-06-01), Briggs
patent: 3251350 (1966-05-01), Thompson
patent: 3911879 (1975-10-01), Altmann
patent: 4077369 (1978-03-01), Buehner

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