| 摘要 |
PURPOSE:To raise the loading ability of an oil film between a shaft and a floating bush, and to improve bearing function thereof, by forming oil grooves on the outer circumferential surface of a shaft, averting the loaded side, as to be connected to an outlet of an oil supplying port which is formed in a shaft. CONSTITUTION:On the outer circumferential surface of a shaft 1, oil grooves 11a, 11b are formed as to be connected to a port 1c. The oil groove 11a is formed around the center position of the width of a bush 4, in the partial angular width along the circumferential direction, centering around the angular point which is right-angled to the load W direction. Then, the oil groove 11b is formed along the shaft direction, around the angular point which is right-angled to the load direction, within the narrower range than the shaft direction width of the sliding surface. These two oil grooves 11a, 11b are connected to the port 1c, and they are formed in such positions as to avert the loaded side. |
