Rocker arm construction

Details Rocker arm construction Rocker arm construction

2008-07-01

2008-07-01

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

Rocker

C123S090610, C074S559000, C029S888200

Reexamination Certificate

active

07392776

ABSTRACT:
Disclosed is a unique configuration of a rocker arm per se wherein high stress areas thereof are strengthened and a trunion shaft is rotatively mounted on its push rod end and has a threaded push rod end insertion bore, a unique push rod construction per se wherein the upper end thereof is threaded, the combination of this rocker arm and the push rod wherein the upper end of the push rod is threaded into the insertion bore whereby the sudden, rapid, repeated and severe impact forces of the push rod end against the rocker arm are spread throughout the threaded connection and the rocker arm and are thus greatly diminished for each point of force contact between the push rod and the rocker arm, and further the stated combination mounted on an internal combustion engine.

REFERENCES:
patent: 2385959 (1945-10-01), Yingling
patent: 3095948 (1963-07-01), Lahr
patent: 4327677 (1982-05-01), Vander Bok

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