Drone
US9981744B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2015 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | May 17, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U2101/30
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There is disclosed a drone including a main body comprising a motor, a shaft inserted in the main body vertically, a wing unit rotatable on the shaft by a power generated from the motor, the wing unit comprising a propeller unfolded horizontally and folded vertically, wherein the motor comprises a first motor and a second motor, and the shaft comprises an upper shaft inserted in the main body from a top vertically and a lower shaft inserted in the main body from a bottom vertically, and the wing unit comprises a first wing unit rotated on the upper shaft in a first direction by a power generated from the first motor, and a second wing unit rotated on the lower shaft in a second direction, which is the reverse of the first direction, by a power generated from the second motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.