Articulated heliport pad

Details Articulated heliport pad Articulated heliport pad

1987-03-09

1989-05-30

Barefoot, Galen

Aeronautics and astronautics

Retarding and restraining devices

Friction brakes

244115, 410 12, 410 77, B64F 116

Patent

active

048343218

ABSTRACT:
An articulated heliport pad in which the pilot controls the rotation of a central disk for last minute changes in wind direction as well as the operation of a unique hold-down device.

REFERENCES:
patent: 1470266 (1923-10-01), Kirchner
patent: 1681637 (1928-08-01), Hall
patent: 1848472 (1932-03-01), Glessner
patent: 1918523 (1933-07-01), Pyer et al.
patent: 2052333 (1936-08-01), Williams
patent: 2944492 (1960-07-01), Clejan
patent: 3075731 (1963-01-01), Bennett et al.
patent: 3151826 (1964-10-01), Michel
patent: 3210029 (1965-10-01), Brusch et al.
patent: 3785316 (1974-01-01), Leming et al.
patent: 4171114 (1979-10-01), Marden

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