Motor lamination notching apparatus and method with selectively positionable punches
US6769600B1 · kind B1 · utility
7Cited by
28References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2001 |
| Grant date | Aug 3, 2004 |
| Priority date | — |
| Expiry date | Feb 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/8727
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A notching apparatus for notching both an outer lamination and an inner lamination from a single lamination blank at s single station using a single press device includes a multi-piece die assembly provides multiple outer slot punches, multiple inner slot punches, and a separator punch. The outer slot punch portion, inner slot punch portion, and separator punch portion of the multi-piece die assembly are all selectively positionable in respective punching positions and non-punching positions to facilitate a controlled notching operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.