| 摘要 |
<p>A hopper box for a heavy lift truck such as mining trucks wherein said hopper box minimizes the height of the gravity center of the load being constituted by sheets that generate a floor, a front wall and two side walls, being said hopper box formed by at least one sheet (1) having a first longitudinal concave curved portion (2) as a floor which continues with a longitudinal upper elongated portion which comprises the front wall (3) thereby generating a single longitudinal curved, collapsed and elongated C-shaped sheet wherein said at least one sheet is placed in a juxtaposed manner until reaching the width (5) by incorporating two side walls (8) having on its lower face two longitudinal rigid U- shaped beams (11), wherein are also included half-round cross stiffeners (9) on its ends.</p> |
