BigPatents India

An engine lubricating device having a lubricating oil pump driven for rotation by a crank shaft to feed lubricating oil under pressure to a lubrication subject portion, wherein the lubricating oil pump is connected to one end of the crank shaft such that the pump shaft is substantially coaxial with the crank shaft, the lubricating oil pump being formed with a pump interior oil feed passageway extending from the opposite side of the crank shaft to the crank shaft side, one end of the pump interior oil feed passageway communicating with a crank shaft interior oil feed passageway formed in the crank shaft to feed oil to the lubrication subject portion of the crank shaft, the other end communicating with a delivery port of the lubricating oil pump through a lubricating oil passageway. (FIG. -1)