Fastener assembly and method
US11060554B2 · kind B2 · utility
0Cited by
11References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Nov 17, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21H3/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A fastener with a body with a shank, a head adjacent one end of and integral with the shank, and a shoulder adjacent the head, and a separate washer with a through hole received on the shank, bearing on the shoulder and securely fastened to the shank. The body and washer may have an interference fit. The body may be made and the washer attached by cold forming the body with a ring bearing on the washer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.