| 摘要 |
PURPOSE: A bush bearing assembly is provided to supply additional lubricant to a bush bearing and to maintain the fastening state of the bush bearing and a boss. CONSTITUTION: A bush bearing assembly comprises a shaft(400), a bush bearing(500) and a boss(600). The bush bearing stores the shaft and rotates relative rotational motion with the shaft. The bush bearing is inserted on the boss and it supports the movement. The bush bearing prepares a inner circumference groove and an outer circumference groove to be communicated each other. The inner circumference groove is formed to store lubricant on the inner circumference which is the surface touched with the shaft. The outer circumference groove is formed to store lubricant on the outer circumference on which the bush bearing is touched with the boss. |
