Patent ID: 6840848
Filing Date: 2005-01-11
Classification: B24D

Abstract:
1. A bushing in combination with an abrasive flap wheel, comprising: an abrasive flap wheel having circular end caps mounted on opposite sides of an annular array of abrasive leaves, wherein bases of said leaves are interconnected by an adhesive and have a notch in opposite side edges thereof near each base end of each leaf such that said notches form concentric circular depressions on opposite sides of said array and each end cap has a central open surface, an outer rim portion an arcuate lip inwardly extending therefrom which engages said circular depressions formed by said notches thereby mechanically gripping said ends of said abrasive leaves; a rigid disk member having an outer diameter formed with a laterally extending lip which is configured to at least partially seat within a concave portion of said arcuate lip and engage and retain said end cap adjacent said rim portion thereof and a central hub on said disk member having a central open surface which cooperatively aligns with said central open surface of said end cap to receive a drive shaft therethrough.