Patent ID: 6019230
Filing Date: 2000-02-01
Classification: G11B

Abstract:
A cartridge storing box comprising:a plurality of compartments each having an opening for storing one of a plurality of record medium cartridges; said record medium cartridges including a first sized cartridge of a first size and a second sized cartridge of a second size which is different from said first size, said first and second sized cartridges having a side wall with a flat portion and a retaining notch,said compartments being constructed respectively by a first side plate, a second side plate, a rear plate, supporting side flanges connected to said first and second side plates, and a hook spring unit connected to said first side plate; said hook spring units respectively including an arm member, a first projection and a second projection formed on said arm member, said first and second projections having a rounded projection, said compartments receiving and holding either of said first sized cartridge or said second sized cartridge;wherein said first projection of said arm member of said compartments resiliently urges said first sized cartridge inserted into one of said compartments against said second side plate of said compartments by pushing against said flat portion of said side wall of said first sized cartridge, and said first projection of said arm member of said compartments is retained in said retaining slot of said side wall of said second sized cartridge when said second sized cartridge is inserted into one of said compartments, andwherein said second projection of said arm member of said compartments resiliently urges said second sized cartridge inserted into one of said compartments against said second side plate of said compartments by pushing against said flat portion of said side wall of said second sized cartridge, and said second projection of said arm member of said compartments is retained in said retaining slot of said side wall of said first sized cartridge when said first sized cartridge is inserted into one of said compartments.