Patent ID: 6684736
Filing Date: 2004-02-03
Classification: F16C,Y10T

Abstract:
A crankshaft comprising:a shaft solid in cross section and having two ends and an axis, said shaft adapted to rotate about said shaft axis, a crankpin solid in cross section and having two ends and an axis parallel to and radially spaced from the shaft axis, at least one of said shaft or said crankpin having at least one indentation, a plate having two spaced openings, one end of said shaft being positioned in one of said plate openings and one end of said crankpin being positioned in the other plate opening, at least one counterweight extending between said one end of said shaft and said one end of said crankpin, said counterweight being formed by casting a liquid thermosetting material around said one end of said shaft and said crankpin and around said plate, wherein said liquid material fills said indentation and, upon hardening, locks said counterweight to said crankpin and said shaft and encases said plate.