Patent ID: 8282447
Filing Date: 2012-10-09
Classification: B24B

Abstract:
1. An adaptive dust shield for rotary grinders having a bearing housing with a groove therein, said adaptive dust shield comprising: (a) a cover having a defined diameter wherein said cover is adapted to encircle and cover a grinding disk attached to the rotary grinder; (b) an upstanding collar on top of said cover, said upstanding collar having a Width-X wherein said Width-X is substantially less than said defined diameter; (c) a plurality of upstanding flexible fingers in multiples of four on top of and around said upstanding collar, said plurality of upstanding flexible fingers having a Height H, and inside diameter of Width-A, and forming a broken circle around said upstanding collar wherein said Width-A is substantially less than said Width-X, said plurality of upstanding flexible fingers having a Width-W (d) securing means for securing said upstanding flexible fingers onto the bearing housing of the grinder; (e) a stretchable fitting ring having an inside diameter, an outside diameter, an outer circumferential face, and a Height-E wherein said stretchable fitting ring is fit-able onto the bearing housing of the grinder and pressed into the groove as said securing means is applied and said plurality of upstanding fingers are pressed into engagement with said outer circumferential face of said stretchable fitting ring as said securing means is applied.