Patent FR-1907-375606
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The gyroplane. Rigid steel tubes create four arms extending out from the center. Each arm has a revolving blade; the two pairs of opposite propellers move inversely.
Additional framework is built onto the steel skeleton using elastic links to allow some flexibility. (This framework is described as useful for the symmetrical wing attachment in Patent FR-1908-395756.) Various planes are attached, including large aeroplanes mounted horizontally, intended both as stabilizers and sustainers.
The orientation of the axes of the propellers can be altered for vertical or horizontal propulsion.
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR375606A on google patents
| Year filed | 1907 |
|---|---|
| Year granted | 1907 |
| Office | FR |
| Patent number | 375606 |
| Inventors | Louis Bréguet |
| Inventor country | FR |
| Inventor location | Nord, France |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Appareil gyroplane |
| English title | Gyroplane |
| Tech fields | frame, hybrid, propulsion, airplane, helicopter, gyroplane |
| Filing date | March 11, 1907 |
| Full specification filed date | |
| Application number | 375606D |
| Grant date | May 17, 1907 |
| Granted? | Yes |
| Publication date | July 13, 1907 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Armengaud jeune |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/08 |
| CPCs | CPC B64C27/08 |
| Family year | 1907 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19195520 |
| INPADOC family ID | 5277581 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 4 |
