Bimetallic gear rim
US6023990A · kind A · utility
6Cited by
17References
11Claims
0Family size
Inventors
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Jan 17, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/1994
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed is multi-segmented fabricated gear rim having two distinct steel layers, an inner layer, and an outer layer from which gear teeth are cut. The inner and outer layers are molecularly bonded to each other, with the inner layer being a high weldability layer and the outer layer being a high hardenability layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.