Rocker arm for valve train of internal combustion engine, has two individual upright side walls made of thin-walled steel plate, where side walls have holes at center proximal section

摘要

The rocker arm (1) has two individual upright side walls (2,3) made of thin-walled steel plate. The side walls have holes (5) at a center proximal section (4). The side walls are bridged at one ends (7) by a shaft (8) with a cam starting roll and run out in a direction to another end (10), after a pipe section, extending towards each other from one or two sides.