Piston pin safety device for piston pin of combustion engine, has locking element with radial contact surface, which is provided at each end face of piston pin and lies at assigned locking rings

摘要

The device has a locking element with a radial contact surface, which is provided at each end face of the piston pin (20) and lies at an assigned locking ring (21,22). The piston pin is supported in the piston pin bore hole (19) and is locked at every end face with the locking ring opposite to axial rotation. The locking rings are included in locking device ring grooves (23,24) provided in the piston pin bore holes. The locking device is affiliated to the piston pin.