Pin connected link mechanism

Details Pin connected link mechanism Pin connected link mechanism

2007-03-20

2007-03-20

Argenbright, Tony M. (Department: 3747)

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

C074S57900F

Reexamination Certificate

active

10662402

ABSTRACT:
A link mechanism usable for a variable compression ratio mechanism of an internal combustion engine includes first and second links pivotally connected by a pin inserted through cylindrical first and second pin boss portions of the first and second links. Each of the first and second pin boss portions includes a circumferentially extending first narrow section, and a circumferentially extending first wide section having an axial wall thickness greater than the axial wall thickness of the first narrow section. The wide sections of the first and second pin boss portions are overlapped in an region extending in the axial direction of the pin.

REFERENCES:
patent: 1959279 (1934-05-01), Stearns
patent: 5309779 (1994-05-01), Sarno
patent: 6083240 (2000-07-01), Ouchi
patent: 2002/0002957 (2002-01-01), Moteki et al.
patent: 2002/0026910 (2002-03-01), Hiyoshi et al.
patent: 2006/0101939 (2006-05-01), McEwan
patent: 1 180 588 (2002-02-01), None
patent: 2002-129995 (2002-05-01), None

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