发明名称 Ladder for aircraft, has visual alert device that is visible when safety device is actuated to close upper door`s opening, so that persons located at upper level are informed that door is open and that ladder is in maintenance position
摘要 The ladder has a safety device formed by a net at an upper end to close an opening of an upper door arranged in a floor at an upper level of an aircraft when the ladder is in a maintenance position. A visual alert device (17) having an orange or red color flag, is visible when the safety device is actuated, so that persons located at the upper level are informed that the door is open and that the ladder is in maintenance position. An independent claim is also included for an aircraft comprising a ladder.
申请公布号 FR2865998(A1) 申请公布日期 2005.08.12
申请号 FR20040050233 申请日期 2004.02.10
申请人 AIRBUS FRANCE 发明人 GUERING BERNARD
分类号 B64D11/00;E04F11/04;E06C5/02;E06C7/18 主分类号 B64D11/00
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