Aeronautics and astronautics – Aircraft structure – Details
Patent
1987-03-12
1988-11-29
Barefoot, Galen
Aeronautics and astronautics
Aircraft structure
Details
49386, 49379, 16 75, 16289, B64C 114
Patent
active
047875780
ABSTRACT:
Weight compensation for hinged doors, hatches, gates, or the like, which swing up and down on an upper horizontal hinge axis, comprises a torsion rod extending parallel to the hinge axis and having hollow shafts or bushings at its respective ends, one of the bushings is connected through a lever and a continuously length adjustable rod to the frame and on one side of said door, hatch, or gate, the other bushing is mounted to a lever, and a continuously adjustable tensioning screw fastens that lever to the door, hatch, or gate, and at the other side thereof.
REFERENCES:
patent: 2602957 (1952-07-01), Anderson
patent: 3146847 (1964-09-01), Rutman et al.
patent: 3421262 (1969-01-01), Floehr
patent: 4223483 (1980-09-01), Stafford
patent: 4465156 (1984-08-01), Richardson et al.
patent: 4601446 (1986-07-01), Upsahl
Barefoot Galen
MBB GmbH
Siegemund Ralf H.
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