Guide device for a recording medium in tape form, especially a m

Details Guide device for a recording medium in tape form, especially a m Guide device for a recording medium in tape form, especially a m

1981-10-16

1984-06-26

Levy, Stuart S.

Advancing material of indeterminate length

With means to retard material movement

226194, 226196, 242155R, 242155M, 242 76, B65H 2324, B65H 2308, G03B 104

Patent

active

044561601

ABSTRACT:
A guide device for tape-like recording media, especially a reversing guide device for magnetic tapes, that are transported at high speed, which comprises at least one guide roll, around whose periphery the recording medium is guided, and which is rotatably mounted in bearings, a deliberate specific braking torque being produced between the guide roll and its bearings. Further embodiments concern the roughness of the roll's peripheral surface, the design of flanges for the lateral guidance of the recording medium and the use of two guide rolls. The braking torque is produced by braking means acting on the guide roll. The novel guide device can be used advantageously in any high-speed magnetic tape transport apparatus for the recording/reproduction of any type of audio, video or data signal.

REFERENCES:
patent: 2724065 (1955-11-01), Saxl
patent: 3122295 (1964-02-01), Davison et al.
patent: 3398870 (1968-08-01), Mullan et al.
patent: 3534893 (1970-10-01), Maxson
patent: 3593945 (1971-07-01), Richardson et al.
patent: 3843035 (1974-10-01), Fitterer et al.
patent: 3951356 (1974-01-01), Davis, Jr.
patent: 4238088 (1980-12-01), Schoettle et al.
W. A. Gross, IBM Research Laboratory, San Jose, USA, pp. 138-141.

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