G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 23/50 (2006.01) G11B 23/04 (2006.01) G11B 23/087 (2006.01)
Patent
CA 2095168
The present invention relates to a tape cassette for accommodating a reeled length of magnetic recording tape comprises a generally rectangular flattened box-like configuration. The cassette has top and bottom panels, front and rear wall and a pair of side walls. The front wall has a head access window and a pair of pinch roller access windows all defined therein. Tape cleaners are secured to the front wall portions defined between the head access window and the pinch roller access windows located on either side. The tape cleaners are in contact with the length of magnetic recording tape which has respective ends secured to reels within the cassette. Each tape cleaner may be a fiber-intertwined cleaning member made of nonwoven fabric or a fiber-tufted cleaning member made of crimped or curled fibers closely planted on a backing. With the fiber-intertwined cleaning members, that portion of the length of magnetic recording tape that is held in sliding contact with an intermediate portion of each fiber-intertwined cleaning member is backwardly biased a predetermined bias distance within the range of 0.5 to 1 mm, but with the fiber-tufted cleaning members, that portion of the length of magnetic recording tape that is held in sliding contact with an intermediate portion of each fiber-intertwined cleaning member is backwardly biased a predetermined bias distance within the range of 0.1 to 1 mm.
Nishiyama Tousaku
Ohata Tsumoru
Watanabe Masaru
Kirby Eades Gale Baker
Matsushita Electric Industrial Co. Limited
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