Aeronautics and astronautics – Safety lowering devices – Parachutes
Patent
1983-09-28
1986-05-06
Barefoot, Galen L.
Aeronautics and astronautics
Safety lowering devices
Parachutes
B64D 1702
Patent
active
045866856
ABSTRACT:
In a parachute having a cap made of elongate, radially arranged cloth panels (6, 7) which are sewn together along their longitudinal edges, with the parachute being intended to rotate about its center axis during its descent, it is difficult to attach nozzle openings which direct the outgoing air in a tangential direction. A particularly simple parachute cap results if the cloth panels (6, 7) are cut asymmetrically in such a manner that they have side edges of different lengths and partial sections of the cloth panels, in their longitudinal extent, are left unsewn so as to form nozzle-shaped air exit openings (9) having curved edge regions (8). The cut piece of cloth may have the shape of a trapezoid with a scalene triangle attached to its base. Weights (12) may be attached in the edge region of the air exit openings (see attached Figure).
REFERENCES:
patent: 2562799 (1951-07-01), Kowalski
patent: 2673051 (1954-03-01), Frost
patent: 2701697 (1955-02-01), Ewing
patent: 2724567 (1955-11-01), Adams
patent: 2770432 (1956-11-01), Stevinson
patent: 2925971 (1960-02-01), Istel et al.
patent: 2949266 (1960-08-01), Sepp, Jr.
patent: 3350040 (1967-10-01), Sims et al.
patent: 4270714 (1981-06-01), Jalbert
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