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Stretcher-loading-device-for-aircraft

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Stretcher loading device for aircraft

Details

Inventors: Goon, Peter;
Assignee: Royal Flying Doctor Service of Australia Inc. (Norwood, AU)
Primary Examiner: Peters, Jr.; Joseph F.
Assistant Examiner: Mojica; Virna Lissi
Attorney, Agent or Firm: Brown, Martin, Haller & McClain

A load handling device for transferring a load such as a stretchered patient to and from an aircraft, comprising an elongate pedestal pivotally connected at one end thereof for swinging movement about a horizontal axis located within the opening of an aircraft cabin door, a cantilevered horizontal platform securable to the pedestal and arranged to be driven by drive means for vertical up and down movement along the pedestal between an upper position where it is approximately level with the aircraft floor and the lower position where it is adjacent to the ground, wherein the pedestal is arranged to swing between a retracted stowed position wherein it is contained wholly within the aircraft cabin and an extended operating position wherein it projects approximately vertically downwards adjacent the aircraft cabin door.

DETAILED DESCRIPTION I claim: 1.
An improved aircraft stretcher loading device for transferring a stretchered patient to and from an aircraft comprising: pedestal mounting means securable within the aircraft in the vicinity of an aircraft cabin door; an elongate pedestal; hinge means pivotally connecting said pedestal at its inner end to said mounting means for swinging movement about an horizontal axis between a retracted stowed position wherein said pedestal is contained wholly within the aircraft cabin and an extended operating position wherein said pedestal projects approximately vertically downwards from said cabin door adjacent to the outer side thereof; a cantilevered horizontal platform means guided for vertical up and down movement along said pedestal between an upper position where said platform means is approximately level with the level of the aircraft floor and a lower position where said platform means is adjacent to the ground; drive means for effecting said vertical up and down movement of said platform means said pedestal; and a stretcher retention means carried on said platform for locking the stretcher against movement when positioned on said platform.
2.
An improved loading device according to claim 1 wherein said platform means is removably connected to said pedestal.
3.
An improved loading device according to claim 1 wherein said drive means comprises a linear drive screw, a threaded nut threadably engaging said drive screw for movement therealong, an electric motor drivingly coupled to said screw for effecting rotation thereof, and a driven carriage carried by said nut, said platform means being detachably supported by said carriage.
4.
An improved loading device according to claim 3 wherein said electric motor is carried on said pedestal at its distal end.
5.
An improved loading device according to claim 1 wherein said carriage is provided with a plurality of roller bearings which rollingly engage longitudinally extending bearing tracks on the front and rear faces of said pedestal, for guiding said carriage therealong

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