To provide a fixing metal fitting for a flap door, which is less likely to corrode, and a flap door unit.SOLUTION: In a fixing metal fitting 3 for a flap door 2 with a hinge 4 fixed to a lower part of the flap door 2, the flap door 2 has: a pair of wall portions 20 and 21 opposite to each other in a thickness direction; and a pair of base portions 23 projecting inward from different wall portions 20 and 21, respectively. The fixing metal fitting 3 for a flap door comprises: a base plate portion 310 that is placed on the pair of base portions 23, the base plate portion 310 having a communication hole for insertion of a bolt; a nut 30 that is placed on the base plate portion 310; a falling prevention structure 32 that, while the nut 30 is located in a communication position in which a screw hole communicates with the communication hole, overlaps an opposite seating surface, opposite a seating surface, of the nut 30 in a height direction; a pair of first positioning portions 33 abutting on both side surfaces of the nut 30 in a thickness direction; and a pair of second positioning portions 34 abutting on both sides of the outermost part of the nut 30 in a width direction.SELECTED DRAWING: Figure 4
【課題】腐食しにくいアオリ用の固定金具、及びアオリユニットの提供。【解決手段】蝶番4をアオリ2の下部に固定するアオリ2用の固定金具3において、アオリ2は、厚み方向で対向する一対の壁部20,21と、それぞれが異なる壁部20,21から内向きに突出する一対の台部23とを有し、一対の台部23に載せるベース板部310であって、ボルトを挿通する連通孔が形成されたベース板部310と、ベース板部310に載せるナット30と、ナット30が連通孔にねじ孔が連通する連通位置に配置された状態で、高さ方向におけるナット30の座面とは反対側の反座面に重なる脱落防止構造32と、厚み方向でナット30の両側面に当接する一対の第一位置決部33と、幅方向でナット30の最外側部の両側に当接する一対の第二位置決部34と、を備えるアオリ用の固定金具3。【選択図】図4
FIXING METAL FITTING FOR FLAP DOOR AND FLAP DOOR UNIT
アオリ用の固定金具、及びアオリユニット
22.04.2021
Patent
Elektronische Ressource
Japanisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile |
Automatic flap door of construction elevator and using method of automatic flap door
Europäisches Patentamt | 2022
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