Abrasive assembly having alignment elements
US9914197B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 9, 2014 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Jun 27, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24D11/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An abrasive assembly including a back-up pad having a central axis, an engagement component, and an alignment element; and an abrasive disc having a central axis, the abrasive disc engaged with the back-up pad, the abrasive disc including an alignment element; wherein the alignment element of the back-up pad aligns with the alignment element of the abrasive disc, wherein the engagement component of the back-up pad engages with the abrasive disc, and wherein the back-up pad and the abrasive disc have a concentricity tolerance, C, as measured between the central axis of the back-up pad and the central axis of the abrasive disc, of no greater than about 0.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.