Patent ID: 8104442

Claim:
A mechanical roller tappet for an internal combustion engine, said roller tappet comprising a one-piece tappet housing shaped out of a sheet metal, a drive roller actuable by a cam and an axle which mounts the drive roller centrally, optionally through rolling elements ( 4 ), end sections of the axle being supported in axle eyes of the tappet housing, said tappet housing comprising a tappet skirt which is mounted through an outer peripheral surface for longitudinal displacement in a tappet guide, and further comprising a tappet bottom possessing a contact surface for an adjacent engine component on a power take-off side, wherein, at an end of the tappet skirt facing the cam, the tappet bottom is connected to the tappet skirt and is shaped into the interior of the tappet skirt while forming one of a pocket for receiving the drive roller or a strut engaging under the drive roller, the axle eyes being arranged in first sections of the tappet bottom, which first sections are spaced from an inner peripheral surface of the tappet skirt and extend substantially parallel to a longitudinal direction of the tappet skirt, the contact surface being arranged on a second section of the tappet bottom, which second section connects the first sections to each other.