Patent ID: 6338575
Filing Date: 2002-01-15
Classification: F16C,Y10S

Abstract:
A self-lubricating bearing comprising an axial hole for rotatably supporting a shaft about a fixed central axis, the axial hole including a first section having a first inner transverse length that passes through the fixed central axis and a second section having a second inner transverse length that passes through the fixed central axis and that is greater than the first inner transverse length, the second section being contiguous to at least one of two end faces of the self-lubricating bearing, the second section being formed by means of providing a groove in at least one of the two end faces of the self-lubricating bearing, which groove extends between the two end faces of the axial hole and is inclined between the two end faces of the self-lubricating bearing, and wherein one of the end faces of the self-lubricating bearing includes a protrusion and other end face of the self-lubricating bearing includes a depression for receiving said protrusion of another said self-lubricating bearing, thereby positioning the self-lubricating bearings that are stacked on each other.