Tensioning device for 2 belt or chain drives associated with IC engine using 2 tensioning rollers at ends or 2 pivoted tensioning arms mounted on engine housing

摘要

The tensioning device (6) has at least 2 spring-loaded tensioning arms (7,8) provided with tensioning rollers (9,10) at their free ends and pivoted to the engine housing at their opposite ends, each of the tensioning rollers cooperating with a respective belt or chain drive (1,5), the offset between the tensioning rollers corresponding to the offset between the belt or chain drives.