| 摘要 |
PURPOSE: A movable ramp is provided to prevent interference with an engine and a propeller of an airplane by laying a boarding bridge on board to a small airplane as well as a microflyer. CONSTITUTION: A movable ramp comprises a foot plate(110), a height-adjustable moving unit(200), and a sun visor part(190). One side of the foot plate heads to a boarding bridge and the other side thereof heads to an airplane to form a passage for passengers. The height-adjustable moving unit: is connected to the foot plate under the foot plate; moves the foot plate; and vertically adjusts the height of the foot plate. One side of the foot plate is extended to be connected to an entrance door of the air plane. The sun visor part is connected to the foot plate above the foot plate in order to protect the passengers passing through the foot plate. [Reference numerals] (AA) Aircraft; (BB) Boarding bridge
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