Abrasive article and method of making the same

Patent metadata

Field	Value
Publication number	US-9839993-B2
Application number	US-201414280762-A
Country	US
Kind code	B2
Filing date	May 19, 2014
Priority date	Feb 28, 2006
Publication date	Dec 12, 2017
Grant date	Dec 12, 2017

Abstract

An abrasive article and method of making same wherein the abrasive article comprises a mounting assembly and an abrasive attachment assembly wherein the first interlock member of the mounting assembly and the second interlock member of the abrasive attachment assembly are configured to align the central axis of the abrasive attachment assembly and the central axis of the mounting assembly, and the first interlock member releasably engages the second interlock member. The abrasive article is adapted to clean a work surface area around studs using a rotary tool, including, for example, a drills or die grinder.

First claim

What is claimed is:

1. An abrasive article comprising:
a mounting assembly comprising an elongated body having a first end for attachment to a rotary tool, a second end having an aperture, at least one sidewall extending between the first end and the second end, an elongated cavity extending from the aperture toward the first end, and a first interlock member comprising a threaded portion proximate the second end, the mounting assembly having a central axis and wherein the sidewall comprises a threaded portion and a non-threaded portion; and
an abrasive attachment assembly comprising an abrasive layer attachment interface having a second interlock member comprising a threaded portion proximate the abrasive layer attachment interface and a non-threaded portion extending from the threaded portion, an abrasive layer affixed to the abrasive layer attachment interface, and a channel that extends through the second interlock member and the abrasive layer, and the abrasive attachment assembly having a central axis; and
wherein when the first interlock member relasably engages the second interlock member a diameter of the elongated cavity and at least a portion of the channel are substantially similar such that an alignment between the central axis of the abrasive attachment assembly and the central axis of the mounting assembly is such that the centerlines are less than 2 millimeter apart.

2. The abrasive article of claim 1 wherein the abrasive layer comprises a nonwoven abrasive.

3. The abrasive article of claim 1 wherein the abrasive layer comprises a lofty web of continuous three-dimensionally undulated inter-engaged autogenously bonded filaments.

4. The abrasive article of claim 1 wherein the abrasive layer attachment interface comprises a friction-weld.

5. The abrasive article of claim 1 wherein the non-threaded portion of the sidewall comprises a diameter smaller than a diameter of the threaded portion of the sidewall and wherein the non-threaded portion of the second interlock member comprises a diameter smaller than a diameter of the threaded portion of the second interlock member.

6. A method of cleaning the wheel hub proximate a threaded stud projecting from a wheel hub comprising using the abrasive article of claim 1 by securing the first end to a rotary power tool, inserting the threaded stud into the bore, contacting the working surface of the abrasive layer with the wheel hub, and activating the rotary power tool.

7. An abrasive article comprising:
a mounting assembly comprising an elongated body having a first end for attachment to a rotary tool, a second end having an aperture, at least one sidewall extending between the first end and the second end, an elongated cavity extending from the aperture toward the first end, and a first interlock member comprising a threaded portion proximate the second end, the mounting assembly having a central axis and wherein the sidewall comprises a threaded portion and a non-threaded portion; and
an abrasive attachment assembly comprising an abrasive layer attachment interface having a second interlock member comprising a threaded portion proximate the abrasive layer attachment interface and a non-threaded portion extending from the threaded portion, an abrasive layer affixed to the abrasive layer attachment interface, and a channel that extends through the second interlock member and the abrasive layer, and the abrasive attachment assembly having a central axis;
wherein when the first interlock member releasably engages with the second interlock member to create the abrasive article, the channel and the elongated cavity communicate with one another and the elongated cavity extends past the threaded portion and the non-thread portion of the abrasive attachment assembly a sufficient depth toward the first end to allow a portion of a threaded stud of a wheel hub to be received therein and allow a working surface of the abrasive layer to contact an area of the wheel hub adjacent the threaded stud, and a diameter of the elongated cavity and at least a portion of the channel are substantially similar such that an alignment between the central axis of the abrasive attachment assembly and the central axis of the mounting assembly is such that the centerlines are less than 2 millimeter apart.

8. The abrasive article of claim 7 wherein the abrasive layer comprises a nonwoven abrasive.

9. The abrasive article of claim 7 wherein the abrasive layer comprises a lofty web of continuous three-dimensionally undulated inter-engaged autogenously bonded filaments.

10. The abrasive article of claim 7 wherein the abrasive layer attachment interface comprises a friction-weld.

11. The abrasive article of claim 7 wherein the non-threaded portion of the sidewall comprises a diameter smaller than a diameter of the threaded portion of the sidewall and wherein the non-threaded portion of the second interlock member comprises a diameter smaller than a diameter of the threaded portion of the second interlock member.

12. The abrasive article of claim 7 wherein the non-threaded portion of the mounting assembly releasably engages with the non-threaded portion of the abrasive attachment assembly.

13. The abrasive article of claim 1 wherein the non-threaded portion of the mounting assembly releasably engages with the non-threaded portion of the abrasive attachment assembly.

Assignees

• 3M Innovative Properties Co

Inventors

• Telischak Jr John
• Raider Wesley A
• Johnson Daryl D
• Manor Edward L
• Streeter Paul D
• Holmes Dean S

Classifications

• B24D7/16

  Bushings; Mountings · CPC title

• B24B23/02

  with rotating grinding tools; Accessories therefor · CPC title

• B24D13/20

  Mountings for the wheels · CPC title

• B24D13/142 Primary

  Wheels of special form · CPC title

• B24B45/006

  Quick mount and release means for disc-like wheels, e.g. on power tools · CPC title