Patent ID: 7361092
Filing Date: 2008-04-22
Classification: F16B,F16D,Y10T

Abstract:
1. A flange member for a balance assembly that comprises a first rotating element coupled to a second rotating element, the flange member comprising: a main body including a base portion and a plurality of projections that are integrally attached to the base portion and that extend away from the base portion, the main body having a mass that is distributed unevenly about an axis of rotation of the main body such that the main body exhibits a predetermined imbalance vector when rotated about the axis of rotation; and a plurality of fastener apertures for attaching one of the first and second rotation elements to the main body, wherein angular spacing between each of the fastener apertures is substantially equal but for one fastener aperture, such that angular spacing is greater to one side of the one fastener aperture, and such that angular spacing is less to another side of the one fastener aperture.