公开(公告)号：US20170350281A1

公开(公告)日：2017-12-07

申请号：US15535586

申请日：2015-11-05

Applicant: OTICS CORPORATION

Inventor： Naoyuki YAMANE ,  Yoshiaki HAGA ,  Tatsuya SASAKI ,  Eiichi NOZAKI ,  Makoto TAKARAGI

IPC: F01L1/18 ,  B21D53/84 ,  F01L1/04

CPC classification number: F01L1/181 ,  B21D53/84 ,  F01L1/04 ,  F01L1/18 ,  F01L1/185 ,  F01L2103/00 ,  F16H53/06

Abstract: Providing a rocker arm which can ensure the durability while reducing the inertial mass. The rocker arm (10) includes a valve abutment part (15) pressing a valve (80). The valve abutment part (15) includes a receiving wall (14) abutting against an end surface of a stem end (81A) of the valve (80) in a pressing state and a pair of sidewalls (13) protruding from both side ends (14A) of the receiving wall (14) so as to be opposed to each other and disposed along and in proximity to a side peripheral surface of the stem end (81A) of the valve (80). At least protruding distal ends of the sidewalls (13) each have a smaller thickness than adjacent portions and serve as a thinner portion (23).