Patent ID: 8201532
Filing Date: 2012-06-19
Classification: F01L

Abstract:
1. An anti-rotationally secured tappet of a valve drive of an internal combustion engine, comprising: a bucket tappet including an external lateral surface, a floor and a skirt for being arranged between a cam and a valve of the valve drive, and is guided in a receiving bore of a cylinder head, the skirt including an internal lateral surface, and the cylinder head including a guide groove; a radially outward protruding anti-rotation component that is arranged in a recess of the skirt that glides in the guide groove of the cylinder head, two spring arms included with the anti-rotation component and that extend in a circumferential direction of the tappet, that abut at least in regions of at least one of the internal lateral surface of the skirt and the external lateral surface of the tappet, and that lock the anti-rotation component into position on the tappet by a clamping force that acts radially on the tappet, and wherein a radial annular groove is provided on the internal lateral surface of the skirt that at least partially contains the spring arms of the anti-rotation component.