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US 2018/0180090 A1Published application
Ball joint with improved upper bearing and method of construction thereof
AssigneeFederal-Mogul Motorparts LLC
InventorJames Elterman
Life of this patent
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Abstract
A ball joint for interconnecting relatively movable components includes a housing and a stud with a spherical bearing surface disposed in the housing. The bearing has a concave spherical bearing surface which is brought into sliding abutment with the spherical bearing surface of the stud. The bearing is of a monolithic piece of fiber-reinforced polyoxymethylene material and includes carbon fibers which extend circumferentially about the concave spherical bearing surface.
Claims20
A ball joint, comprising:
- a housing;
- a stud having a spherical bearing surface disposed in said housing;
- a bearing having a concave spherical bearing surface brought into sliding abutment with said spherical bearing surface of said stud;
- and
- said bearing being a monolithic piece of fiber-reinforced polyoxymethylene material including carbon fibers which extend circumferentially about said concave spherical bearing surface.
2 more elements
A method of constructing a ball joint, comprising:
- inserting a bearing constructed as a monolithic piece of fiber-reinforced polyoxymethylene material including carbon fibers extending circumferentially about a concave spherical bearing surface of the bearing into a metal housing and bringing the concave spherical bearing surface into sliding abutment with a metal spherical bearing surface of a stud.
Dependencies are inferred from the claim text.