Disc cartridge with bent shutter plate to facilitate mounting of shutter plate on disc casing

摘要

A disc cartridge capable of readily fitting a holding plate in a casing to facilitate assembling of the cartridge without using any adhesion. Shutter plates each are formed at its distal end with a depression which is slidably interposed between a recess of the casing and the holding plate received in the recess and holding elements are provided at the casing and positioned above the holding plate in a manner to overhang the recess, resulting in positively and stably holding the holding plate in the recess, so that the holding plate may be readily arranged fitted in the casing by merely inserting it in the recess.