Self-torquing fasteners
US6688828B1 · kind B1 · utility
36Cited by
9References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Feb 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S411/916
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bolt made from shape memory alloy that exists in a first state and is capable of changing to a second state when heated and remains in that second state even when cooled is used to self torque itself and clamp a first fixture to a second fixture. Preferred methods for using the self-torquing bolt are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.