Plain bearings

Abstract

A bearing is described, the bearing being of generally cylindrical form and being formed from a material comprising a strong backing material having thereon a lining of a bearing material, wherein the wall thickness has corrugations provided therein. The corrugations may extend in either the axial or transverse directions with respect to the bearing axis.

Description

technical field [0001] The present invention relates to sliding bearings, especially sliding bearings which are generally cylindrical and formed by wrapping a sheet or strip of material. Background technique [0002] Wrapped bearings, often referred to in the bearing art as "bushings", are commonly used, for example, in the hinges of vehicle doors. This kind of bearing will not work in high speed or high frequency environment, but when the door is opened, without this bearing, the door will not have any support, so the leverage created by the weight of the door hanging on the hinge will be Apply high loads to the bearings. [0003] One type of bearing material commonly used for such applications consists of a high strength substrate material, such as steel, with a liner made of plastic bearing material thereon. According to the type of plastic material, there is usually a layer of porous material on the steel material, and the connection performance between the plastic mat...

AI Technical Summary

Problems solved by technology

However, it is believed that despite the bearing being nominally called a zero tolerance bearing, this design would cause the door to sag too much when opened

Another disadvantage of this type of bushing is that because there are only three lines of contact between the hinge pin and the bearing surface, the plastic lining material can wear down much faster than desired

Images