Patent ID: 7097372

Claim:
A tape cassette for accommodating a supply of printable tape and suitable for being detachably loaded in a tape printing device, the tape cassette having: means for inserting and removing a tape supply into said tape cassette; and means whereby said tape cassette selectively accommodates tape supplies of different tape width, said tape cassette further having: a housing; and a spring located between a respective bobbin and a part of said housing, said spring slipping on one of said housing and said bobbin and providing a back tension to the tape of the bobbin with which it is located, wherein each bobbin includes a flange, wherein each spring interacts with said flange of the bobbin with which it is located, and wherein the relative position of said flange with respect to its associated post, and thus the backward tension applied to the tape by said associated spring is a function of the width of the tape.