Engine finger follower type rocker arm assembly

Details Engine finger follower type rocker arm assembly Engine finger follower type rocker arm assembly

1990-10-15

1991-04-30

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123 9044, 123 9041, 74519, 74559, F01M 910, F01L 118

Patent

active

050108565

ABSTRACT:
A valve train for an overhead camshaft type engine includes a finger follower lever type rocker arm assembly. The lever is of lightweight stamped construction containing a pocket or recess in which is received a precision molded plastic bearing cup. The cup has a smoothly polished bearing surface for slidably receiving an axleless roller that is contained laterally within the insert and is rotated by the engine driven cam located above the roller for pivotally moving the lever to actuate the engine valves. The inclusion of the pocket in the lever assures lubrication of the parts at all times since it will collect and retain lubricant or engine oil during engine operation so that even during a lengthy shutdown, upon restart, the elements will be fully lubricated.

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