Patent ID: 7401750

Claim:
A combination comprising a drive device and a reel, the drive device comprising a rotating shaft including a driving gear; and the reel, comprising: a hub formed in a shape of a hollow cylinder having a floor portion, a recording tape being wound around an outer peripheral portion of the hub; a reel gear formed in a coaxial annular form at an outer side of the floor portion of the hub, and meshing with the driving gear of the rotating shaft of the drive device; a reference projection portion provided integrally with the outer side of the floor portion, and carrying out axial direction positioning by abutting a positioning portion of the rotating shaft, the reference projection portion contacting the radial direction outer side of the reel gear; a first flange extending integrally toward a radial direction outer side from an open end of the hub; a second flange mounted to a floor portion side end portion of the hub, and opposing the first flange; and an attracted member formed of a magnetic material, and fixed to the outer side of the floor portion, and attracted by a magnet of the rotating shaft without contact between the magnet and the attracted member; wherein the rotating shaft further comprises a convex portion; and the reel further comprises a pass-through hole located on an axis of the reel which has a fit-together surface wherein, the convex portion may be inserted into the pass-through hole and contact the fit-together surface to center the reel with respect to the drive device.