Patent ID: 8272784

Claim:
A sleeve bearing system, comprising: a bearing housing defining a receiving hole therein, the receiving hole having a first diameter; a sleeve bearing having a second diameter slightly less than the first diameter, the sleeve bearing being received in the receiving hole of the bearing housing; a resilient washer received in the receiving hole of the bearing housing and fitting around the sleeve bearing, the resilient washer being sandwiched between the bearing housing and the sleeve bearing and resiliently abutting an outer surface of the sleeve bearing to thereby mount the sleeve bearing in the receiving hole of the bearing housing; wherein the receiving hole comprises a first hole section and a second hole section, a diameter of the first hole section is the first diameter, and the second hole section has a third diameter greater than the first diameter, whereby a step is formed on an inner surface of the bearing housing where the first hole section adjoins the second hole section, and the resilient washer is positioned on the step; wherein the sleeve bearing system further comprising a mounting ring held in the second hole section of the bearing housing by interference fit, the resilient washer being compressed between the mounting ring and the step of the bearing housing; and wherein the mounting ring is annular with a through hole defined therein, an upper portion of the mounting ring protrudes inwardly to form an annular blocking portion, an inner diameter of the blocking portion being less than the first diameter of the receiving hole.