Patent ID: 6983842

Claim:
A fastening device for at least one disc shaped data carrier in a cassette, said disc shaped data carrier comprising a central opening, wherein the cassette comprises a middle part on which a crown of tongues with noses for fastening the data carriers is provided, the crown of tongues is elastically insertable into the central opening of the at least one data carrier, wherein there is provided at least one connecting element movably connecting at least two of the tongues with noses, wherein the connecting element is movable from an as produced first position to a second position, the second position providing an increase in the restoring force of the tongues against the data carrier as compared to the restoring force provided in the first position, wherein each of the tongues comprises an axial arm extending through the central opening of the at least one data carrier and wherein the at least one connecting element is attached to the axial arms.