Patent ID: 8919215

Claim:
An orbital motion attachment for a die grinder, comprising: a flexible collar mounted at a first end to a locating support ring, the locating support ring being removably secured to the die grinder; a collet having an offset bearing shaft extending from a first end, the collet being connected at a second end to an output shaft of the die grinder; the offset bearing shaft being connected at a second end to an applicator tip; an indexing ring that is affixed to a second end of the flexible collar to secure the applicator tip to the offset bearing shaft; wherein a centerline through the offset bearing shaft is offset from a centerline through the output shaft; wherein the collet has a counterweight projecting therefrom on the opposite side of the centerline through the output shaft from the centerline through the offset bearing shaft; wherein the offset bearing shaft is disposed within one or more bearings within a bearing cage; wherein an isolation and insulation bushing having a cylindrical section is disposed between the bearings and the offset bearing shaft and a flange section disposed against the second end of the collet; a metal bushing having a cylindrical section disposed between the cylindrical section of the isolation and insulation bushing and a flange section abutted against the flange section of the isolation and insulation bushing; wherein the metal bushing includes a shoulder disposed about the cylindrical section and abutted the flange section, the shoulder being abutted against an inner race of one of the one or more bearings; wherein the indexing ring has: an inner bore with one section having a first diameter and another section having a smaller diameter than the one section; and a plurality of lugs are disposed about the one section.