Patent ID: 6469973
Filing Date: 2002-10-22
Classification: G11B

Abstract:
An optical storage device capable of accepting a cartridge comprising a cartridge case and an optical recording medium accommodated in said cartridge case, and reading information recorded on said optical recording medium, comprising:a light source; an optical head having an objective lens for focusing light from said light source onto said optical recording medium; a photodetector for detecting a reproducing signal from reflected light from said optical recording medium; a cartridge holder having a main surface for holding said cartridge inserted in said optical storage device; a first cartridge pressure spring mounted to a side portion of said cartridge holder in the vicinity of a first side of said cartridge holder so as to be pivotable about a first pivotal axis substantially parallel to said main surface, said first cartridge pressure spring extending substantially in a longitudinal direction of said cartridge holder corresponding to a direction of insertion of said cartridge into said optical storage device; a second cartridge pressure spring mounted to another side portion of said cartridge holder in the vicinity of a second side of said cartridge holder opposite to said first side so as to be pivotable about a second pivotal axis substantially parallel to said main surface, said second cartridge pressure spring extending substantially in said longitudinal direction of said cartridge holder; a pair of first projections formed at opposite end portions of said first cartridge pressure spring for making pressure contact with said cartridge; and a pair of second projections formed at opposite end portions of said second cartridge pressure spring for making pressure contact with said cartridge.