Patent ID: 8474427

Claim:
A tappet, either for a high-pressure fuel pump or for a valve train of an internal combustion engine, comprising a housing, having a roller or sliding surface incorporated in a drive side thereof used for a cam or eccentric catch and wherein a driven side used for a contact of a tappet follower lies on a bottom side of a bridge part extending through an inner casing of the housing, an anti-rotation device projects past an outer casing and is formed from a radial extension of the bridge part and extends into a window of the housing a projection that is produced by a stamping-embossing process and attached integrally is located on the inner casing of the tappet only on a section thereof diametrically opposite the window, the projection rises with a wedge shape in a direction toward the drive side, and the bridge part is made from steel sheet metal and is snapped, with a section thereof diametrically opposite the radial extension, over the projection and lies on the projection with an edge region of a bottom side thereof.