Spherical plain bearing

Patent metadata

Field	Value
Publication number	US-8979376-B2
Application number	US-57241309-A
Country	US
Kind code	B2
Filing date	Oct 2, 2009
Priority date	Apr 4, 2007
Publication date	Mar 17, 2015
Grant date	Mar 17, 2015

Abstract

A spherical plain bearing for a ball-and-socket joint includes a plain bearing shell. The plain bearing shell comprises a sliding layer containing a sliding material, at least one dimensionally stable support layer, and at least one elastic layer.

First claim

What is claimed is:

1. A spherical plain bearing for a ball-and-socket joint, comprising:
two plain bearing shells, each plain bearing shell comprising a sliding layer containing a sliding material, at least one elastic layer, a stable support layer arranged between the sliding layer and the elastic layer, the stable support layer comprising a metallic material, and a further support layer provided on a side of the elastic layer which is remote from the support layer, wherein each of the two plain bearing shells have an annular, radially outwardly pointing flange, wherein the sliding layer is bonded to the support layer by an adhesive layer, the adhesive layer comprising a fluoropolymer.

2. The spherical plain bearing of claim 1 , wherein the elastic layer in the plain bearing shell is prestressed substantially perpendicularly to the layer extent.

3. The spherical plain bearing of claim 1 , wherein the elastic layer is bonded to the support layer and the further support layer via an adhesion promoter layer.

4. The spherical plain bearing of claim 1 , wherein the elastic layer contains an elastomer.

5. The spherical plain bearing of claim 1 , wherein the sliding material includes a plastic.

6. The spherical plain bearing of claim 5 , wherein the plastic includes a high-temperature plastic.

7. The spherical plain bearing of claim 1 , wherein the sliding layer contains lubricants and/or fillers.

8. The spherical plain bearing of claim 1 , wherein the thickness of the elastic layer is from about 0.1 to 1.0 mm.

9. The spherical plain bearing of claim 1 , wherein the thickness of the sliding layer is from 0.05 to 1.0 mm.

10. The spherical plain bearing of claim 1 , wherein the thickness of the stable support layer is from 0.2 mm to 1.0 mm.

11. The spherical plain bearing of claim 1 , wherein the support layer consists of a bearing foil made from a woven metal fabric and PTFE, or a composite material made from a PTFE film and a bronze expanded metal.

12. A ball-and-socket joint comprising:
a spherical joint head, and
a spherical plain bearing, wherein the spherical plain bearing is designed as claimed in claim 1 .

Assignees

• Angenheister Markus
• Saint Gobain Performance Plast

Inventors

• Angenheister Markus

Classifications

• F16C2240/60

  Thickness, e.g. thickness of coatings · CPC title

• F16C33/203

  Multilayer structures, e.g. sleeves comprising a plastic lining · CPC title

• F16C33/206

  with three layers · CPC title

• F16C33/201

  Composition of the plastic · CPC title

• F16C11/0633 Primary

  the linings being made of plastics · CPC title