Internal-combustion engines – Adjustable combustion chamber – Piston in head adjusted
Reexamination Certificate
2007-11-06
2007-11-06
Kamen, Noah P. (Department: 3747)
Internal-combustion engines
Adjustable combustion chamber
Piston in head adjusted
C123S0780AA, C123S197100
Reexamination Certificate
active
11639216
ABSTRACT:
A lower link for a piston crank mechanism of an internal combustion engine includes an upper section, a lower section, and a crank pin bearing section disposed between the upper section and the lower section, and mounted on a crank pin of a crank shaft. One of the upper section and the lower section is formed with a bolt inserting hole. The other of the upper section and the lower section is formed with an internal thread portion including an open end. One of the bolts passes through the bolt inserting hole, is screwed into the internal thread portion, and includes an end bared from the open end which is formed in a surface perpendicular to a bolt center axis. The other of the upper section and the lower section includes a recessed portion formed in the surface to divert a stress transmitting path.
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Aoyama Shunichi
Mizuno Hideaki
Moteki Katsuya
Ushijima Kenshi
Kamen Noah P.
Nissan Motor Co,. Ltd.
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