Mushrooming expandable fastener installation tool and methods
US11833577B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 16, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Feb 16, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21J15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Methods, systems and tools for securing to a panel an expandable fastener having a threaded component and a mushrooming component, the tool including a sleeve having a cylindrical body with a hollow inside portion and an internal spline configured to match a splined shoulder of the mushrooming component, a drive shaft having a driving portion configured to engage and rotate the threaded component, the driving portion positioned within the hollow portion of the sleeve, and a driven portion configured to be driven by an arbor, the arbor having a first shaft portion configured to engage with the driven portion and drive the drive shaft, and a second shaft portion configured to connect to a drill or nut driver to drive the drive shaft to turn the threaded component relative to the mushrooming component and collapse the mushrooming component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.