Patent ID: 6181516
Filing Date: 2001-01-30
Classification: G11B

Abstract:
A tape cassette comprising:a casing including an upper casing member and a lower casing member, said lower casing member being provided with a pair of guide grooves;a pair of reel hubs rotatably received in said casing and having a tape wound thereon so as to extend therebetween while being stretched therebetween, said tape traveling between said reel hubs while being guided along a front side of said casing, to thereby be delivered from either one of said reel hubs and taken up on the other reel hub; anda lid structure mounted on said casing in a manner to be moved between an opened state and a closed state so as to permit said tape to be selectively exposed, said lid structure including a front lid for covering a front surface of a portion of said tape guided along said front side of said casing, an upper lid for covering an upper end of said portion of said tape and a rear lid for covering a rear surface of said portion of said tape, said front lid, upper lid and rear lid being operatively connected to one another so as to move between said opened state and said closed state;said rear lid being provided on opposite sides thereof with a pair of guide pins movably fitted in said guide grooves of said lower casing member, respectively;said rear lid being upwardly moved to said opened state in association with movement of said front lid;said rear lid being provided on an upper surface thereof with a recess, said recess being formed with a plurality of projections arranged substantially in a laterally symmetrical manner; wherein said plurality of projections are abutted against an upper end of said front lid when said rear lid is upwardly moved to said position where said lid structure is opened in association with said front lid.