Supporting structure for rocker arms for engine valves

Details Supporting structure for rocker arms for engine valves Supporting structure for rocker arms for engine valves

1985-09-27

1987-04-21

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

Rocker

123 9027, 123 9043, 123 9044, F01L 118

Patent

active

046587705

ABSTRACT:
A supporting structure for rocker arms for engine valves includes an engine having a cylinder head, a valve provided on the cylinder head and adapted for either of intake and exhaust purposes, a valve-operating mechanism for operating the valve, the valve-operating mechanism including a rocker arm abutting on the top of the valve, to thereby operate the valve, and a pivotal structure for pivotably supporting one end of the rocker arm. The pivotal structure comprises a ball-like portion, a spherical concave portion shaped in a form substantially correspondent to the ball-like portion and engaged with the ball-like portion, and an elastic member disposed at an aperture end of the spherical concave portion and adapted to hold the ball-like portion in the spherical concave portion.

REFERENCES:
patent: 2970585 (1961-02-01), Lombardi
patent: 3166058 (1965-01-01), Zink
patent: 3532080 (1970-10-01), Sarata
patent: 3563215 (1971-02-01), Ross
patent: 3563216 (1971-02-01), Uemura
patent: 3602205 (1971-08-01), Turkish
patent: 3618574 (1971-11-01), Miller
patent: 3656461 (1972-04-01), Renger et al.
patent: 3672338 (1972-06-01), Yamanouchi
patent: 4203397 (1980-05-01), Soeters
patent: 4369740 (1983-01-01), Seidl

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