Patent AT-E399616-T1: [Translated] METHOD AND DEVICE FOR MACHINE ASSEMBLY OF VALVE TRAIN PARTS

The valve key (25) has to be inserted exactly between the valve shaft (22) and the spring (23) supported valve spring retainer (24) during the assembly of the valve components to be used in the engine of a vehicle. In a first step the valve key (25) is positioned on top of the valve spring retainer (24) from where it can be easily taken by the mounting levers (38) belonging to the assembly unit and attached to the valve shaft (22).