Patent ID: 9400015
Filing Date: 2016-07-26
CPC Classification: F16C

Claim Text:
1. A synthetic resin-made thrust sliding bearing comprising: a synthetic resin-made upper casing, a synthetic resin-made lower casing superposed on said upper casing, and a synthetic resin-made sliding bearing piece disposed in a space between said upper casing and said lower casing, wherein said upper casing integrally includes: an upper casing base portion; an inner peripheral-side cylindrical suspended portion; an outer peripheral-side cylindrical suspended portion and an engaging hook portion which protrudes radially inwardly from an inner peripheral surface of an end portion of the outer peripheral-side cylindrical suspended portion, wherein said lower casing integrally includes: a lower casing base portion; a central cylindrical protruding portion; an engaged hook portion provided on an outer peripheral surface of the central cylindrical protruding portion; and a wide annular flange portion which is formed on the outer peripheral surface of the central cylindrical protruding portion, wherein said upper casing is superposed on said lower casing such that the engaging hook portion is resiliently fitted to the engaged hook portion, wherein a clearance in a resiliently fitting section including the engaging hook portion and the engaged hook portion is covered by the wide annular flange portion of said lower casing downward in an axial direction, wherein said sliding bearing piece includes: a thrust sliding bearing piece portion; and a radial sliding bearing piece portion, wherein said thrust sliding bearing piece portion has an annular groove and a plurality of radial grooves, and wherein said radial sliding bearing piece portion has a plurality of axial grooves.