Piston-connecting rod spherical coupling structure

Details Piston-connecting rod spherical coupling structure Piston-connecting rod spherical coupling structure

2007-11-06

2007-11-06

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Transmission mechanism from piston

C123S197400, C123S197300, C123S193600

Reexamination Certificate

active

11389091

ABSTRACT:
A spherical coupling structure for a piston and a connecting rod, wherein a protrusion provided to the reverse side of a crown of a piston and a holding member for holding a small end are slidably fitted onto a small end, and a holding/fastening part for holding the protrusion and the holding member is screwed in. The piston is composed of an upper piston that includes the protrusion and a lower piston that includes the holding/fastening part. The masses of the upper piston and lower piston are distributed so as to substantially match each other.

REFERENCES:
patent: 5146883 (1992-09-01), Reipert et al.
patent: 5669285 (1997-09-01), Wiczynski et al.
patent: 5685267 (1997-11-01), Wiczynski et al.
patent: 7127981 (2006-10-01), Endoh et al.
patent: 3-17369 (1991-02-01), None

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