Fastener assembly for creating accurate tension indicating fastener and method of calibrating the same
US3960048A · kind A · utility
17Cited by
11References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1975 |
| Grant date | Jun 1, 1976 |
| Priority date | — |
| Expiry date | Mar 28, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/96
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fastener assembly for use in producing an accurate tension indicating fastener unit of the type including a rotary fastener member, a conical-like spring washer preassembled thereto and gauge member preassembled between the bearing surface of the fastener and the spring washer so as to be pinched therebetween upon compression of the washer under a predetermined load. The invention is also concerned with a method of accurately calibrating such a fastener unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.