A thrust sliding bearing 1 comprising: a synthetic resin-made upper casing 2 having a lower surface, and integrally including a radial inner peripheral-side suspended cylindrical portion and a radial outer peripheral-side suspended cylindrical portion suspended from the lower surface of the upper casing; a synthetic resin-made lower casing 3 having an upper surface and superposed on said upper casing so as to be rotatable about an axis relative to said upper casing; a synthetic resin-made thrust sliding bearing piece 5 disposed in an annular space between the lower surface of the upper casing and the upper surface of the lower casing; and a synthetic resin-made seal member 8 having on a radial inner peripheral side thereof an inner peripheral-side annular seal portion for sealing a gap between the radial inner peripheral-side suspended cylindrical portion of said upper casing and the lower casing, on a radial outer peripheral side thereof an outer peripheral-side annular seal portion for sealing a gap between the radial outer peripheral-side suspended cylindrical portion of said upper casing and the lower casing, and a plurality of connecting portions for connecting the inner peripheral-side annular seal portion and the outer peripheral-side annular seal portion to each other, wherein each of the plurality of connecting portions which is disposed between the thrust sliding bearing piece and the lower casing has a radial connecting portion 113 disposed between the inner peripheral-side annular seal portion and the outer peripheral-side annular seal portion, and wherein said lower casing has on the upper surface thereof upper surface grooves 74 for receiving the radial connecting portion.
THRUST SLIDING BEARING
SCHUBGLEITLAGER
PALIER LISSE DE BUTÉE
2021-01-06
Patent
Electronic Resource
English