Patent GB-1915-11834
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- from abstract at google patents: "Screw propellers. For altering and reversing the angle of propeller blades suitable for aircraft &c., the blades are fitted with flanges 6<1> fitting in recesses in a two-part hub. A sleeve 11, sliding on the motor shaft and under control of the driver, is fitted with sockets 13, 14 adapted to receive members having arms bent at right-angles, these arms being connected to arms 9, 10 keyed to the blade spigots, by links 17, 18. One part 3 of the hub is screwed on the motor shaft, and the other part 3' is pressed against the first part by nuts 5."
- Tech class: CPC B64C11/36: Blade pitch-changing mechanisms mechanical non-automatic
- Inventor location: Chexbres, Vaud, Switzerland ; occupation: Mechanician
Patent family descending from Patent CH-1915-72132
- Patent CH-1915-72132 (English title: Device for adjusting the propeller blades in order to change their efficiency, National tech categories: CH 129c)
- Patent GB-1915-11834 (English title: A Device for Enabling the Angle of Propeller Blades to be Adjusted, Supplementary to patent: Patent CH-1915-72132)
- Patent FR-1915-483013 (English title: Device for straightening the blades of propulsion propellers to change the efficiency, Supplementary to patent: Patent CH-1915-72132, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1915 |
|---|---|
| Year granted | 1915 |
| Office | GB |
| Patent number | 11834 |
| Inventors | François Schwendimann |
| Inventor country | CH |
| Applicant person | François Schwendimann |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | A Device for Enabling the Angle of Propeller Blades to be Adjusted |
| English title | A Device for Enabling the Angle of Propeller Blades to be Adjusted |
| Tech fields | propellers |
| Filing date | 1915-08-16 |
| Full specification filed date | 1916-01-18 |
| Application number | 191511834D |
| Grant date | 1916-08-16 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent CH-1915-72132 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | H. A. Gill & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/36 |
| CPCs | CPC B64C11/36 |
| Family year | 1915 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | 1 |
| Application ID | 23681652 |
| INPADOC family ID | 11163198 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 3 |
