Semi-automatic rotor blade fold mechanism
US10787244B2 · kind B2 · utility
0Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2018 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Sep 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U60/55
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A blade-fold bushing system includes a splined bushing comprising a first plurality of teeth, a castellated bushing comprising a second plurality of teeth and a shaft portion configured to coaxially fit within the splined bushing, and a lock bushing coaxially aligned with the castellated bushing. A support tool for use with a blade-fold bushing system includes an outer head comprising a third plurality of teeth configured to mesh with the first plurality of teeth of the splined bushing, and an inner head comprising a fourth plurality of teeth configured to mesh with the second plurality of teeth of the castellated bushing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.