Aircraft hangar door arrangement

Details Aircraft hangar door arrangement Aircraft hangar door arrangement

1990-01-16

1990-11-20

Purol, David M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160193, 52 69, 52 71, E05D 1526

Patent

active

049711296

ABSTRACT:
A hanger door arrangement which comprises a door having two upper door panels adapted to be pivotally connected to the top of the hanger door opening in side-by-side relationship and two lower door panels pivotally connected to the lower edges of the upper panels, and an operating mechanism which raises the door to an open position in which the lower panels allow passage of the wings of an aircraft beneath them and the tailgate between them.

REFERENCES:
patent: 2238181 (1941-04-01), Morgan
patent: 2936830 (1960-05-01), Mosher
patent: 3074518 (1963-01-01), Conrad et al.
patent: 3207208 (1965-09-01), Houk et al.
patent: 3238995 (1966-03-01), Bonzer
patent: 3871436 (1975-03-01), Gile
patent: 4124055 (1978-11-01), Aspenson et al.
patent: 4261409 (1981-04-01), De Vore
patent: 4545418 (1985-10-01), List et al.
patent: 4609027 (1986-09-01), Keller
patent: 4637446 (1987-01-01), McQueen et al.

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