Patent ID: 6454461
Filing Date: 2002-09-24
Classification: B60B,F16C

Abstract:
A bearing assembly of a hub of a bicycle comprising:a receiving ring (21) having an inner wall formed with an inclined face (23) arranged in a gradually tapered manner, a catch flange (22) formed in said inner wall of said receiving ring (21); a roller bearing (31) mounted in said receiving ring (21) and including an annular body (33) arranged in a gradually tapered manner, and a plurality of rollers (32) mounted in said annular body (33) and arranged in a gradually tapered manner; a cover ring (41) secured in said receiving ring (21) and including a rigid plate (42), and a rubber layer (44) coated on an outer periphery of said rigid plate (42), said outer periphery of said rigid plate (42) formed with a locking flange (43) extended downward and rested on said catch flange (22) of said receiving ring (21); and a hollow positioning bolt head (51) mounted in said receiving ring (21) and including a lower tapered urging portion (52), and an upper positioning portion (53), said lower tapered urging portion (52) urged on said plurality of rollers (32) of said roller bearing (31) to push said plurality of rollers (32) to press said inclined face (23) of said receiving ring (21), such that said receiving ring (21), said roller bearing (31), and said positioning bolt head (51) are combined with each other in a press-fit manner without detachment.