Rocker arm spring for a valve actuating mechanism of an internal

Details Rocker arm spring for a valve actuating mechanism of an internal Rocker arm spring for a valve actuating mechanism of an internal

1985-01-10

1986-07-08

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9044, F01L 146

Patent

active

045986746

ABSTRACT:
A rocker arm spring particularly suitable for use in a valve actuating mechanism of the type wherein a rocker arm is mounted to the cylinder head by way of a universal pivot and wherein an overhead cam shaft engages an intermediate portion of the rocker arm. The universal pivot (28) includes a support socket (30) and a pivotable shaft (40), with the part-spherical convex lower end of the shaft (40) received in the part-spherical concave bearing surface (38) of the socket (30). The rocker arm spring (50) has an upper arm (56) engaging the rocker arm (24) and a lower arm (58) having a forked end (68) engaging a circumferential groove (74) on the socket (30). The lower arm (58) is warped perpendicular to the plane thereof so that it is resiliently fitted without play within the groove (74).

REFERENCES:
patent: 3542001 (1970-11-01), Line
patent: 3563215 (1971-02-01), Ross
patent: 3602205 (1971-08-01), Turkish
patent: 3805753 (1974-04-01), Bergman et al.

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