| 摘要 |
A metallic receiving plate is located in a holding recess of a housing such that the plate opposes the distal end face of a worm shaft. The distal end of the receiving plate with respect to the rotating shaft defines a charging cavity in the holding recess. A resin material is charged into the charging cavity. A metallic ball is located between the distal end face of the worm shaft and the receiving plate. The ball makes point contact with the distal end face of the worm shaft and with the receiving plate. Two protrusions are formed on the receiving plate. The protrusions are embedded in the resin material to connect the receiving plate to the solidified resin material and to prevent the receiving plate from rotating. Thus, the rotational resistance of the worm shaft is reduced, and the durability of the bearing device is improved.
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