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DEVICE AIRCRAFT UNDERCARRIAGE LEG INCLUDING RACK-AND -PINION TYPE MEANS FOR CONTROLLING THE ORIENTATION OF THE WHEELS OF THE UNDERCARRIAGE LEG
DEVICE AIRCRAFT UNDERCARRIAGE LEG INCLUDING RACK-AND -PINION TYPE MEANS FOR CONTROLLING THE ORIENTATION OF THE WHEELS OF THE UNDERCARRIAGE LEG
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机译:包括齿条式齿轮装置的装置的飞机下腿,用于控制下腿的方向
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摘要
An aircraft undercarriage leg having an orientation control for wheels that causes a sliding rod to pivot. The orientation control has a rotating member mounted on the strut assembly having a toothed sector forming a pinion and is rotationally coupled to the sliding rod, and a rack mounted to slide on the strut assembly along a sliding axis perpendicular to the pivot axis to mesh with the pinion, the rack being moved by drive means. The drive include a rotary drive inside the rack adapted to turn about the sliding axis and to cooperate via a helicoidal coupling with the rack,. The rotary drive is immobilized axially by two opposite axial thrust bearings allowing angular tilting of the rotary drive. The thrust bearings are carried by at least one elongate support inside the rack having a proximal end fixed to an end of a cylinder in which the rack slides.
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