公开(公告)号：US07673605B2

公开(公告)日：2010-03-09

申请号：US11700110

申请日：2007-01-31

Applicant: Naoki Hiramatsu ,  Akira Takeuchi ,  Kimihiko Todo ,  Tomiyasu Hirano ,  Yoshio Kawatake

Inventor： Naoki Hiramatsu ,  Akira Takeuchi ,  Kimihiko Todo ,  Tomiyasu Hirano ,  Yoshio Kawatake

IPC: F01L1/18

CPC classification number: F01L1/185 ,  B21K1/205 ,  F01L1/181 ,  Y10T29/49295 ,  Y10T74/20882

Abstract: A rocker arm that is rockably attached to a cylinder head actuates a valve by a guide groove that is formed at an end thereof engaging with an upper end of a valve stem, and a roller that is mounted in a roller housing portion of the arm main unit contacting against a cam and rocking. The guide groove is formed by press working ends of the arm main unit in the thickness direction of the plate material to form a pair of walls, and thereafter applying sandwiching pressure in the lateral direction to the walls to increase the height thereof.

Abstract translation: 可摇动地连接到气缸盖的摇臂通过形成在其与阀杆的上端接合的端部处的引导槽致动阀，以及安装在臂主体的辊收纳部分中的辊 单元与凸轮接触并摇摆。 引导槽由板主体的压板加工端沿板材的厚度方向形成，形成一对壁，然后向侧壁施加横向夹持力以增加其高度。