Tapered wall shaft with reinforced tip
US5074555A · kind A · utility
20Cited by
35References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Apr 24, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21K17/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A tapered wall shaft with a reinforced tip includes a rear portion, a front portion and an interconnecting portion. The interconnecting portion has a smoothly decreasing outer diameter and a smoothly increasing wall thickness. The tapered wall shaft with a reinforced tip is formed by a rotary swaging operation, a sink drawing operation and a rotary swaging operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.