Patent ID: 6547186
Filing Date: 2003-04-15
Classification: B64C

Abstract:
A device for opening a passenger door of an aircraft having a fuselage frame, the device comprising:a supporting arm connected movably to the fuselage frame; a wishbone connecting the supporting arm to the passenger door; a first journal rotatably connecting the wishbone to the supporting arm; and a lifting mechanism including: a lifting shaft for raising and lowering the door, the lifting shaft including two ends and a roller lever disposed at each end, wherein when the passage door is in the closed position, each roller lever engages a fuselage frame mounting, a lowering safety shaft engaged with the lifting shaft, the lowering safety shaft including an end, a roller lever disposed at the end of the lowering safety shaft, and a roller mounted to the roller lever, a controllable drive engaged with the lowering safety shaft to rotate the lowering safety shaft, and a lowering safety link including a second journal having an elongated configuration, the second journal having a link track, the roller of the lowering safety shaft being guided on the link track of the second journal.