Patent ID: 6789992
Filing Date: 2004-09-14
Classification: F16B

Abstract:
A washer assembly applied to an end surface of a bearing, wherein said bearing is adapted to rotatably support a shaft, said washer assembly comprising:a first washer including an inner surface that faces said bearing and an outer surface, the first washer comprising: an axial hole connecting the outer surface to the inner surface of the first washer, and adapted to receive the shaft; and at least one oil-bearing portion provided on the inner surface of the first washer for preventing leakage of lubricant from the bearing and corresponding to an outer periphery of the axial hole; and an auxiliary washer adapted to reduce abrasion between the washer and the bearing, said auxiliary washer facing the oil-bearing portion of the washer to prevent lubricant contained in the oil-bearing portion of the washer from running dry, wherein when the shaft is rotated, leakage lubricant from the bearing may flow into a gap between the inner surface of the washer and the end surface of the bearing, and collects in the oil-bearing portion.