To achieve weight saving, compactification, and simplification of attachment of a ladder lifting device attached to a vehicle upper surface.SOLUTION: A ladder lifting device comprises: a swing guiding tool having a lower base frame 1 firmly attached to a vehicle 10, a swing bracket which is so pivoted to a rear end of the lower base frame as to be capable of swinging, and a plurality of first guide rollers which are rotatably attached to the swing bracket; an upper base frame 2 which is so held as to be movable front and back and be capable of swinging in rear lower tilting form with respect to the rear end of the lower base frame; a guide frame 6 which is movable in a cross direction with respect to the upper base frame; a ladder case frame 7 which is firmly attached to the guide frame, and on which a ladder H can be loaded; and a swing arm 20 which is interposed between the lower base frame and the upper base frame, and controls operation of the upper base frame in a rear lower tilting direction and a reverse horizontal position restoration direction.SELECTED DRAWING: Figure 5
【課題】車両上面に取付けるはしご昇降装置の軽量化、コンパクト化、取付けの容易化を図る。【解決手段】車両10に固着される下ベース枠1と、下ベース枠の後端に揺動可能として枢着された揺動ブラケットと、該揺動ブラケットに回転自在に付設された複数の第1ガイドローラを、有する揺動誘導具と、下ベース枠の後端に対して、前後移動自在かつ後方下傾状に揺動自在として、保持された上ベース枠2と、上ベース枠に対して前後方向に移動自在なガイドフレーム6と、ガイドフレームに固着されると共に、はしごHを搭載自在なはしごケース枠7と、下ベース枠と上ベース枠の間に介設されて、上ベース枠の後方下傾方向及び逆の水平姿勢復元方向の作動を制御するスイングアーム20とを、具備することを特徴とする。【選択図】図5
LADDER LIFTING DEVICE
はしご昇降装置
2021-12-13
Patent
Electronic Resource
Japanese
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Boarding ladder lifting anti-falling device and boarding ladder
European Patent Office | 2021
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