Chain drive mechanism for internal combustion engine, has guiding rail whose base body is component of front wall of cylinder head housing and crank shaft housing of mechanism, where component is implemented as casting part

摘要

The mechanism has a drive pulley (5) connected with a output pulley by a chain. A sliding rail is arranged at a trailing belt strand of the chain. The sliding rail or a guiding rail consists of a base body and a slid coating body. The base body of the guiding rail is a component of a front wall of a cylinder head housing and a crank shaft housing of the mechanism, where the component is implemented as a casting part.