Patent BE-1912-250640

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Patent BE-1912-250640

"Un levier à main permet de produire les déplacements d’un volet situé à l’arrière de l’aéroplane ; après un certain angle de pivotement ce même levier agit en outre sur un deuxième volet différent du premier."

That is, "A hand lever facilitates the movements of connecting-arranging apparatus situated at the rear of an airplane, after a certain angle of pivoting this same lever furthermore moves a second apparatus different from the first."

(Thr French "volet" is key.)



Inventor location: Mouzon, France

Patent agent location: Brussels, Belgium

Year filed
Year granted 1912
Office BE
Patent number 250640
Inventors Roger Sommer
Inventor country FR
Applicant person Roger Sommer
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Système de commande de sûreté pour la stabilité longitudinale des aéroplanes
English title Safety control system for airplane longitunal stability
Tech fields airplane, safety, control, stability
Filing date
Full specification filed date
Application number
Grant date November 7, 1912
Granted? Yes
Publication date
Supplementary to patent Patent FR-1913-447477
Related to aircraft? Yes
Serial number
Patent agent Biebuyck
Assigned to
National tech categories BE K
Family year 1912
First filing? No
Number of citations
Cited by
Application ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims