(57) The container has a metallic base frame (1) which can be raised by means of fork-lift
trucks. A bottom grid (4) rests on tubular elements and is fixed to the structure
by means of clamps or U-bolts (5). Walls (9,9a,11 ,11a) made of a metal grid are pivoted
to the sides of said frame; the longer or front ones (9,9a) are pivoted at a higher
level than the head or lateral ones (11 ,11a) so that they can collapse until they
stack on top of one another in a pack on said bottom. Hook elements (19) are furthermore
provided along the vertical sides of the larger walls and are directed towards the
inside of the container to constitute abutment and retention means for the sides of
the head walls. A clamp device (20), mounted on the horizontal rods of the head walls,
locks the outer vertical rod of each head wall within the hook (19) of the abutment
means. An outwardly curved fork element (15) at the top of the larger walls retains
the base frame when the containers are stacked; at the top of the head walls there
is at least one pair of opposite fork elements (16), the innermost whereof accommodates
within a slot correspondingly provided in the base of the frame of the superimposed
container to inwardly retain said container.
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