Bottom abutment device for a rotorcraft rotor, a rotorcraft rotor, and a rotorcraft
US10464665B2 · kind B2 · utility
0Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2016 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Dec 25, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U10/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A bottom abutment device for a rotor having a plurality of lift assemblies. The bottom abutment device comprises at least one abutment track per lift assembly. The bottom abutment device comprises a plate with a ring and one branch per lift assembly. The bottom abutment device has a plurality of supports, each support fastenable to a rotary member of the rotor, each support extending in part in an opening in a branch, the supports giving the plate a restricted degree of freedom to move in translation, the supports giving the plate at least one restricted degree of freedom to move in rotation about the axis of symmetry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.