Over-centering blade lock
US11535370B2 · kind B2 · utility
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13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2019 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jul 1, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64C27/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An exemplary blade lock for a tiltrotor aircraft to enable and disable a folding degree of freedom and a pitching degree of freedom of a rotor blade assembly includes a link pivotally connected to a lever and a bellcrank, where the link is in a center position when the lever is in a locked position disabling the folding degree of freedom and the lever is secured in the locked position when the link is positioned in an over-center position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.