Flexible abrasive rotary tool
Assignee3M Innovative Properties Company
InventorsBruce A. Sventek, David G. Baird, Adam J. Painter, Tammy J. Engfer, Dennis J. Stapleton
Life of this patent
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Abstract
An abrasive rotary tool includes a tool shank a flexible planar section positioned opposite the tool shank. The flexible planar section forms a first abrasive external surface on a first side of the flexible planar section and a second abrasive external surface on a second side of the flexible planar section. The flexible planar section facilitates abrading, corners of a workpiece across multiple angles relative to the axis of rotation for the rotary tool through bending of the flexible planar section when the abrasive external surfaces are applied to a corner of the workpiece.
Claims18
An abrasive rotary tool comprising:
- a tool shank defining an axis of rotation for the rotary tool;
- and
- a flexible planar section positioned opposite the tool shank,
- wherein the flexible planar section forms a first abrasive external surface on a first side of the flexible planar section, the first side of the flexible planar section facing generally away from the tool shank,
- wherein the flexible planar section forms a second abrasive external surface on a second side of the flexible planar section, the second side of the flexible planar section facing in the general direction of the tool shank,
- wherein the flexible planar section includes a set of non-overlapping, flexible flaps that include the abrasive external surfaces,
- wherein the flexible planar section facilitates abrading, with the first abrasive external surface, a first corner adjacent to a first side of a workpiece across multiple angles relative to the axis of rotation for the rotary tool through bending of the flexible planar section when the first abrasive external surface is applied to the first corner of the workpiece, and
- wherein the flexible planar section facilitates abrading, with the second abrasive external surface, a second corner adjacent to a second side of the workpiece, the second side of the workpiece opposing the first side of the workpiece, across multiple angles relative to the axis of rotation for the rotary tool through bending of the flexible planar section when the second abrasive external surface is applied to the second corner of the workpiece;
- further comprising a cylindrical section attached to the tool shank, wherein the cylindrical section forms a third abrasive external surface surrounding the axis of rotation for the rotary tool,
- wherein the cylindrical section facilitates abrading an edge of the workpiece between the first side of the workpiece and the second side of the workpiece while operating of the abrasive rotary tool from the tool shank, and
- wherein the flexible planar section extends past the outer diameter of the cylindrical section relative to the axis of rotation for the rotary tool.
Dependencies are inferred from the claim text.