| 摘要 |
PROBLEM TO BE SOLVED: To lift/lower and incline a platform only by an elevating cylinder and simplify piping and control systems in accordance with installation of the cylinder. SOLUTION: This lift comprises a body frame 10 slidable to a chassis, the foldable platform 60 and a link mechanism for driving the platform 60 by connecting the body frame 10 and the platform 60. The link mechanism has a small arm 20 pivoted of the body frame 10, a main arm 25 pivoted to the middle position, the elevation cylinder 27, a vertical link body 40 pivoted to tip of the main arm 25 at the upper end part, a sub arm 35 forming a parallel link together with the main arm 25, and a fixing bracket body 40 connected with tip of the main arm 25. The platform 60 is connected with the fixing bracket body 40 so as to keep horizontal in an expanding state. COPYRIGHT: (C)2003,JPO
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