| 摘要 |
An elongated catwalk element having longitudinally spaced hinges for mounting the catwalk element on the side of a vehicle mounted box. The hinges mount the catwalk element for swinging movements between a vertically disposed inoperative storage position along a side wall of the box and a horizontally disposed operative position wherein the catwalk projects laterally outwardly from the box. An over-center spring biases the catwalk element in directions to yieldingly hold the catwalk selectively in its operative and inoperative positions.
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