Patent ID: 7571872

Claim:
A tape reel comprising: a substantially circular cylinder shaped hub for winding recording tape thereon; flanges, formed as separate bodies from the hub and provided at both end portions of the hub; a connecting member, provided to at least one of the flanges and connecting together the flanges at the inside of the hub, in a non-contact state with the inner peripheral face of the hub; wherein the radius of the outer peripheral face of the hub is different at one end from at the other end, and the recording tape is wound on the hub in such a manner that the side of the recording tape with the smaller radius of tape edge curvature is on the smaller diameter side of the hub, and wherein at least one of the flanges is formed with engaging portions, and the hub comprises engaged portions which are engaged by the engaging portions formed on the flange, such that the hub is not relatively rotatable with respect to the flange and such that there is a predetermined gap formed in the hub radial direction between the engaging portions and the engaged portions.