Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1994-08-29
1996-04-16
Levy, Stewart S.
Dynamic magnetic information storage or retrieval
Record medium
In container
2423264, 226194, G11B 2306
Patent
active
055088716
ABSTRACT:
A continuous magnetic tape cassette for use in a magnetic tape recording and/or reproducing apparatus. The cassette comprises a casing for housing a magnetic tape, which has two ends connected together continuously forming one endless loop. A hub is rotatably mounted within the casing for rotationally engaging a driving shaft. A conveyor assembly is frictionally coupled to the hub, for imparting motion to the magnetic tape. The conveyor assembly comprises a plurality of guide rollers rotatably disposed about an outer circumference of the hub and an endless belt entrained about the plurality of guide rollers for frictionally coupling a rotation of the hub to the magnetic tape. A lever arm assembly is coaxially disposed about the hub and is connected to the endless belt which imparts the motion to the lever arm assembly. The lever arm assembly comprises a lever arm and a plurality of lever arm pinch rollers rotatably disposed on a distal end of the lever arm for guiding the magnetic tape about the hub. The magnetic tape is coiled circumferentially about the hub, with the coiled magnetic tape remaining substantially within a plane parallel to the hub.
REFERENCES:
patent: 3088687 (1963-05-01), Martin
patent: 3176580 (1965-04-01), Metz
patent: 3666192 (1972-05-01), Ito et al.
patent: 3706422 (1972-12-01), Ito et al.
patent: 4454976 (1984-06-01), Saito
patent: 4462553 (1984-07-01), Hashimoto
IBM TDB vol. 13, No. 11 Apr. 1971 "Reversible Endless Tape Cassette", Owen, p. 3324.
IBM TDB vol. 15 No. 9 Feb. 1973 "Loose Tape--Tight Tape Cartridge", Flippen et al, pp. 2711-2712.
Klimowicz William J.
Levy Stewart S.
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