Multiple piece high security fastener
US10962044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Apr 16, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B2900/3318
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved fastener comprising a fastener body having a tool-engaging portion, a threaded fastening portion and a shroud-receiving body portion, a shroud concentrically mounted on the shroud-receiving body portion, and an intermediate sleeve disposed concentrically between the shroud-receiving body portion and the shroud, the shroud being supported in rotatable relationship with said shroud-receiving body portion such that said shroud will rotate relative to said fastener body under an applied external torque prior to said fastener body rotating when said fastener is engaged with an external structure at a design installation torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.