Patent US-1912-1027372

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Flapping/airplane hybrid. Wings tilted differently on downstroke and upstroke:

[...] automatically tilt to a horizontal position on the forward motion of the wings 75, and automatically tilt back to a vertical position just before the rearward motion of the wings 75, thereby causing the blades to offer the least resistance to the forward motion of the machine, and yet propelling the machine forwardly on their rearward stroke.

Inventor location: Gettysburg, Potter County, South Dakota

Sources


Year filed 1910
Year granted 1912
Office US
Patent number 1027372
Inventors Menzo M. Benster
Inventor country US
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title
English title
Tech fields airplane, flapping, hybrid, propulsion, propeller, takeoff
Filing date March 5, 1910
Full specification filed date
Application number 1910547491
Grant date May 21, 1912
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories USPC 244/11
IPCs IPC B64C33/00
CPCs CPC B64C33/00
Family year 1910
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 47518732
INPADOC family ID 43921953
Number of text pages
Number of diagram pages
Number of figures
Number of claims