Patent ID: 6624975
Filing Date: 2003-09-23
Classification: G11B

Abstract:
A magnetic tape cartridge comprising a cartridge casing formed of upper and lower halves which are formed by plastic injection molding and are fixed together and a single reel which is housed in the cartridge casing for rotation and around which a magnetic tape is wound, wherein the improvement comprises thata pair of locator holes for locating the magnetic tape cartridge with respect to a recording and reproducing apparatus when the magnetic tape cartridge is loaded in the recording and reproducing apparatus are provided on the bottom surface of the lower half of the cartridge casing, and a gate for injection molding is provided in a recess formed on the bottom surface of the lower half in a region surrounded by a straight center line which passes through the center of the bottom surface of the lower half in parallel to the straight line joining the locator holes and a pair of straight lines extending on the bottom surface of the lower half through the respective locator holes in perpendicular to the center line.