Friction welded shaft
US6036077A · kind A · utility
4Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 23, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Feb 23, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7026
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Shaft, for the transmission of torque, comprising first and second engagement elements. The shaft is divided in its longitudinal direction into a first and second section, wherein the first and second sections are concentrically joined to each other by a friction-welded joint. The first section is case-hardened and comprises the first engagement element, and the second section is tough-hardened and comprises the second engagement element which is induction-hardened and placed on or in a peripheral surface on the second section which lies at an end facing away from the first section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.