Compound helicopter with combined wings and landing struts

Details Compound helicopter with combined wings and landing struts Compound helicopter with combined wings and landing struts

2006-11-21

2006-11-21

Barefoot, Galen (Department: 3644)

Aeronautics and astronautics

Aircraft, heavier-than-air

Airplane and helicopter sustained

C244S049000, C244S1020SS

Reexamination Certificate

active

07137589

ABSTRACT:
The invention is a helicopter that includes a fuselage with a longitudinal axis, a main rotor and tail rotor; and right and left wings mounted to said fuselage. The right and left wings having at least a portion of which are rotatable from a horizontal position wherein they produce lift in forward flight, to an at least partially downward position wherein they act as landing struts.

REFERENCES:
patent: 2187040 (1940-01-01), Laddon et al.
patent: 2511362 (1950-06-01), Mercier
patent: 2580312 (1951-12-01), Moore
patent: 2881989 (1959-04-01), Fletner
patent: 2989268 (1961-06-01), Andrews
patent: 3149800 (1964-09-01), Fernandez Sintes et al.
patent: 4589611 (1986-05-01), Ramme et al.

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