(57) A container with self-locking arms, especially suitable for rolling stock, is constituted
by a metal frame (10), made up by standards (12) connected to one another by lower
(14) and upper (16) cross-pieces, provided with two couples of lever arms (18), (18'),
articulatable connected, whose fulcrum is on the inner front of said couples. To the
vertical branches of each of the arm couples (18), (18'), which are substantially
"L"-shaped, a"U"-shaped frame circumscribed by said branches is articulatably connected.
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