PROBLEM TO BE SOLVED: To provide a mounting device for an object to be mounted capable of appropriately assisting a user when the user rotates a slope.SOLUTION: A mounting device 10A includes a main plate body 34 on which the object to be mounted is mounted, a vehicle body side plate body 36 provided between one end of the main plate body 34 and the vehicle body, and a ground side plate body 38 provided between the other end of the main plate body 34 and a ground plane 20, and is provided with a slope 22 where the main plate body 34 can be elevated and lowered between a low position and a high position in a state that the ground side plate body 38 is in contact with the ground, and a slope driving mechanism for driving the main plate body 34. The slope 22 can change its position among a stored position in which it is stored along a floor 18 of the vehicle body, a standing position in which it stands with respect to the floor 18, and a developed position in which it is developed outside the vehicle interior by the rotation of a first rotation shaft 40a provided between the vehicle body and the vehicle body side plate body 36. The mounting device 10A includes rotation force imparting means 90A for imparting rotation force to the slope 22 in a direction from either the stored position or the developed position to the standing position.COPYRIGHT: (C)2014,JPO&INPIT【課題】利用者がスロープを回動させる際に好適にアシストすることが可能な被搭載物の搭載装置を提供する【解決手段】搭載装置10Aは、被搭載物が搭載される主板体34と、主板体34の一端と車体との間に設けられる車体側板体36と、主板体34の他端と接地面20との間に設けられる接地側板体38と、を有し、接地側板体38が接地した状態で主板体34が低位置と高位置との間で昇降可能なスロープ22と、主板体22を駆動するスロープ駆動機構と、を備え、スロープ22は、車体と車体側端部38との間に設けられる第1回動軸40aにおける回動によって、車体のフロア18に沿って収納される収納位置と、フロア18に対して起立する起立位置と、車室外側に展開された展開位置と、の間で位置変化可能であり、スロープ22に対して、収納位置及び展開位置のどちら側からでも起立位置となる方向への回動力を付与する回動力付与手段90Aを備える。【選択図】図1