Valve operating mechanism for internal combustion engines has roller shaft with bore to retain bearing shaft with outside contact area for cam of cam shaft of internal combustion engine, length of bore is smaller than width of contact area

摘要

The valve operating mechanism has a roller shaft (3) with bore to retain the bearing shaft (17) with the outside contact area for cam (19) of the cam shaft (20) of internal combustion engine whereby the roller (16) of the roller shaft cooperates with the cam. The length of bore is smaller than the width of the contact surface area. An independent claim is also included for gear valve.