Rocker arm

Details Rocker arm Rocker arm

1994-11-29

1997-10-21

Bonck, Rodney H.

Machine element or mechanism

Control lever and linkage systems

Elements

123 9039, 123 9041, F01L 118

Patent

active

056784597

ABSTRACT:
A rocker arm comprises: a rocker arm body having a pair of side walls, a pivot shaft mounting portion at one end, and a valve engaging portion at the other end; and a roller rotatably mounted on the rocker arm body at the middle. In the rocker arm, at least the side walls are prepared by blanking a plate material, and the pivot shaft mounting portion and the valve engaging portion are connected, as bridges, between the side walls, and a thread hole is formed in the pivot shaft mounting portion in such a manner that its length is larger than the wall thickness of the side walls.

REFERENCES:
patent: 2199914 (1940-03-01), Haberstump
patent: 3096749 (1963-07-01), Davidson
patent: 3418985 (1968-12-01), Hirose
patent: 4872429 (1989-10-01), Anderson et al.
patent: 5010857 (1991-04-01), Hempelmann et al.
patent: 5016582 (1991-05-01), Mills

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