Method for making an armature assembly
US6591477B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2000 |
| Grant date | Jul 15, 2003 |
| Priority date | — |
| Expiry date | Jan 27, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53161
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A method for making an armature assembly is provided that reduces the level of acoustic noise during initial engagement of the armature, during slippage, and during disengagement. The armature assembly includes an armature disc, an annulus of sound damping material, and a hub assembly having a flexible spider with a web portion. The armature assembly is made by first forming the annulus of sound damping material with a plurality of angularly spaced molding tabs. The annulus is affixed to the web portion of the hub assembly using the molding tabs and is then compressed by securing the armature disc to the web portion such that one side of the annulus is disposed against the web portion and a second side of the annulus is disposed against the armature disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.