Split type connecting rod

Details Split type connecting rod Split type connecting rod

2003-12-23

2008-09-02

Kim, Chong H (Department: 3682)

Machine element or mechanism

Elements

Pitmans and connecting rods

Reexamination Certificate

active

07418886

ABSTRACT:
A split type connecting rod is capable of preventing problems of peeling and falling at the time of fracturing and splitting, securing alignment accuracy after the fracturing, reducing a processing time necessary for processing the groove and improving the processing accuracy. This split type connecting rod100includes a valley106formed on the inner circumferential surface of a crank-pin hole101dof a large end portion101e. Fracture starting point grooves105are also formed at the base of the valley106.

REFERENCES:
patent: 4569109 (1986-02-01), Fetouh
patent: 4693139 (1987-09-01), Mukai et al.
patent: 5208979 (1993-05-01), Schmidt
patent: 6312159 (2001-11-01), Ishida et al.
patent: 2002/0148434 (2002-10-01), Iida et al.
patent: 58-21017 (1983-02-01), None
patent: 61-27304 (1986-02-01), None
patent: 10-128481 (1998-05-01), None
Official Communication issued in the corresponding European Application No. 03029940.8, dated Mar. 31, 2006.

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