Patent ID: 8752521

Claim:
A piston for an internal combustion engine comprising: a piston head and a piston shaft adjoining thereon, the piston shaft having two shaft walls, wherein one of the shaft walls is arranged on a pressure side and the other of the shaft walls is arranged on a counter-pressure side, and two box walls connecting the shaft walls, at least one pin boss disposed in each of the box walls, each of the box walls having a first partial wall section and a second partial wall section, the first partial wall section extending between the pin boss and the shaft wall arranged on the pressure side, and the second partial wall section extending between the pin boss and the shaft wall arranged on the counter-pressure side, a first longitudinal centre line of the first partial wall section being convergent to a second longitudinal centre line of the second partial wall section, wherein the first and second longitudinal centre lines intersect each other outside the piston, and wherein the shaft wall arranged on the pressure side is shorter in a peripheral direction of the piston than the shaft wall arranged on the counter-pressure side.