Apparatus for controlling orientation of a suspended load

Details Apparatus for controlling orientation of a suspended load Apparatus for controlling orientation of a suspended load

1977-07-19

1983-04-05

Barefoot, Galen L.

Aeronautics and astronautics

Aircraft structure

Load accommodation

244137R, 294 81SF, B64D 900

Patent

active

043789196

ABSTRACT:
Apparatus for use in an aircraft, such as a helicopter, for controlling rotation of a load suspended from a cable and for permitting the cable to swing relative to the helicopter. A frame includes a first or upper assembly which is mounted on the helicopter for pivotal movement about a first pivot axis. The frame also includes a second or lower assembly connected to the upper assembly which is pivotal about a second pivot axis extending transversely to the first pivot axis. A spreader bar is suspended within the frame and is isolated during helicopter pitch and roll. Helicopter yaw imparts positioning of the spreader bar relative to a vertical axis so that the load may be selectively oriented.

REFERENCES:
patent: 3036797 (1962-05-01), Agusta
patent: 3044818 (1962-07-01), Tobey
patent: 3554468 (1971-01-01), McVicar

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