Spool hub for tape cartridges or the like

Details Spool hub for tape cartridges or the like Spool hub for tape cartridges or the like

1979-10-11

1982-02-23

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 718, G03B 104, G11B 1532

Patent

active

043165893

ABSTRACT:
A spool hub for tape cartridges or cassettes, especially sound recording tape cartridges provided with slide or anti-friction foils, wherein the hub body is equipped with passageways or openings distributed at or over the circumference of the hub body. The passageways are advantageously located between blade-like webs. With this construction there is particularly reduced the friction between the spool and the slide or anti-friction foils, so that there prevail lower temperatures and there is accomplished a reduction of the undesired noise level.

REFERENCES:
patent: 3669374 (1972-06-01), Catalano et al.
patent: 3974975 (1976-08-01), Holmes
patent: 4191984 (1980-03-01), Kidate et al.
IBM Technical Disclosure Bulletin, vol. 17, No. 11, p. 3358, Apr., 1975, B. W. McGinnis "Lateral Flexibility for A Self-Ventilated Flexible Disk Pack."

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