Patent ID: 8196522

Claim:
A running gear frame for a running gear of a rail vehicle with a frame body configured to be supported on at least one wheel unit of the running gear, the frame body comprising two longitudinal beams extending in a longitudinal direction of the running gear and at least one transverse beam extending in a transverse direction of the running gear and substantially rigidly connecting the two longitudinal beams to each other, wherein the frame body is at least partially made of a grey cast iron material, wherein the frame body comprises at least two frame components which are connected to each other in the region of at least one joint, wherein at least one connection element is provided in the region of a joint, the connection element being connected to the two frame components, and wherein a portion of the joint extends substantially in one joining plane and the connection element forms at least one protrusion which extends in the direction of the surface normal of the joining plane into a respective recess in one of the two frame components.