Patent ID: 9488222
Filing Date: 2016-11-08
CPC Classification: B60G,F16C,F16F

Claim Text:
1. A thrust sliding bearing comprising: a synthetic resin-made bearing body; an annular cover covering the bearing body; an annular metal plate having an outer disk portion coming into contact with an annular lower surface of a disk portion of said annular cover, and an inner disk portion formed integrally with the outer disk portion; and thrust sliding bearing mechanism which renders said annular metal plate rotatable with respect to said bearing body in a direction about an axis of said bearing body, said thrust sliding bearing mechanism having an annular upper surface of said bearing body, a first annular groove formed on an inner peripheral side of the annular upper surface, at least one second annular groove surrounding the first annular groove and being shallower in depth than the first annular groove, and a lubricant which is filled in the first annular groove and the second annular groove.