Patent ID: 8079341

Claim:
A piston for an internal combustion engine, comprising: a piston body having a first side, a second side opposite the first side, and a lateral surface extending therebetween, the lateral surface having a generally cylindrical piston head portion and a skirt portion, the piston head portion defining a reciprocation axis of the piston; two pin bores being disposed on the second side for receiving a piston pin, the two pin bores being generally coaxial and defining a piston pin axis; at least one rib disposed on the second side and extending outwardly therefrom, the at least one rib being aligned laterally between the two pin bores in a direction along the piston pin axis, the at least one rib having a longitudinal axis extending perpendicular to both the reciprocation axis and the piston pin axis; the at least one rib having a length in the direction of the longitudinal axis and a width in the direction of the piston axis, the length being greater than the width.