Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
Piston
A piston includes: a piston head; and a piston skirt connected to the piston head, wherein the piston skirt includes wall portions protruding outward from a surface of the piston skirt, the wall portions adjacent to each other in a circumferential direction of the piston skirt are inclined in directions opposite to each other with respect to a direction of movement of the piston in a bore for the piston, and define a tapered portion, and the tapered portions are spaced away from each other in the circumferential direction of the piston skirt.
Toyota Jidosha Kabushiki Kaisha
F F F
F02F F02F F02F
inventional inventional inventional
Ichiro Hironori Takuzo Kazuya Nobuhiko Hiroyuki
Yamaguchi Aoyama Hirano Mikashima Soda Ito