Tape reel and tape cartridge with the tape reel

G - Physics – 11 – B

Patent

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Details

G11B 23/107 (2006.01) G11B 15/67 (2006.01) G11B 23/037 (2006.01) G11B 23/04 (2006.01) G11B 23/26 (2006.01)

Patent

CA 2465663

A tape reel allowing the reliability of a magnetic tape running at a high speed to increase and a tape cartridge having the tape reel, the tape reel wherein an annular chucking gear (152b) formed at the lower surface center part of the lower side flange part (152) of the tape reel (150) is formed of vertical wall surfaces to suppress the idle rotation and rise of the tape reel, whereby the running stability and straight forward running capability of the magnetic tape when the tape reel (150) is rotated at a high speed can be assured, and the reliability of the tape cartridge in high speed operation can be increased.

L'invention concerne une bobine de bande magnétique permettant d'augmenter la fiabilité d'une bande magnétique tournant à grande vitesse et une cartouche de bande magnétique comprenant cette bobine de bande magnétique. La bobine de bande magnétique (150) est pourvue d'un dispositif d'enroulement annulaire (152b) formé sur la partie centrale de la surface inférieure de l'ailette latérale inférieure (152) de la bobine de bande magnétique (150), constitué de surfaces verticales permettant d'éliminer la rotation libre et le soulèvement de la bobine de bande magnétique. Cette caractéristique permet, d'une part, de garantir une bonne stabilité de déroulement et de déroulement direct de la bande magnétique lorsque la bobine de bande magnétique (150) tourne à grande vitesse, et, d'autre part, d'augmenter la fiabilité de la cartouche de bande magnétique dans des conditions de fonctionnement à grande vitesse.

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