(57) An anti-theft case, particularly for compact discs, music cassettes, video cassettes,
and the like, is provided with movable means (7, 7′) for locking a cassette (15) within
such a case. According to the invention, the case comprises a box (1) having substantially
a parallelpipedal shape, and being provided with an opening (2) for a cassette to
be inserted therethrough into its box, which is formed in at least one of the box
sides, in such a manner as to leave at least two wall portions (3, 4) which extend
from two opposite end-side walls (5, 6) of box (1), and which are longer than the
extent of cassette (15) in the direction in which a cassette is inserted into its
box. A movable abutment member (7, 7′) is provided in the region of one of the two
end-side wall portions (3, 4) of the box sides, and is caused to cooperate with one
end-side edge of cassette (15), the said movable abutment member (7, 7′) being pushed
by spring means (10, 10′) into its abutting active position, or vice-versa. By a locking
and unlocking device (11) the movable abutment member (7, 7′) is moved from the said
abutting active position into a withdrwan inactive position. The cassette (15) is
inserted into its case in an inclined condition, and with the movable abutment member
(7, 7′) in its inactive position, the cassette is so shifted as to be engaged under
the end-side wall portion (4) which is associated with the movable abutment member
(7, 7′), by being passed thereover, whereupon the cassette (15) is moved backward
so as to be engaged also under the opposite end-side wall portion (3), thus uncovering
the movable abutment mem ber (7, 7′) which is moved into its active position, in
which it is caused to cooperate with the associated end-side edge of cassette (15),
whereby any such shiftement of cassette (15) is prevented, that may be apt to disengage
the same for the two end-side wall portions (3, 4).
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