Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1986-09-04
1988-04-05
Watkins, Donald
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
360132, 242199, G11B 1532, G11B 2306
Patent
active
047353783
ABSTRACT:
In a tape cartridge having a magnetic shielding plate, there are provided one or more supporting or receiving ribs for supporting one or more portions of the rear face of the magnetic shielding plate, preferably at the left and right portions thereof, and one or more guide ribs corresponding to but away from the supporting ribs a distance slightly greater than the thickness of the magnetic shielding plate, such that the shielding plate can be inserted into the gap between the one or more supporting ribs and the one or more guide ribs. Moreover, there is provided one or more pressing ribs having a vertical straight wall at a root portion of the rear face of the guide ribs so that the magnetic shielding plate is pressedly inserted between the straight wall of the pressing ribs and the supporting ribs for securing the magnetic shielding plate.
REFERENCES:
patent: 4022402 (1977-05-01), Morimoto
patent: 4191984 (1980-03-01), Tsukidate
patent: 4290567 (1981-09-01), Saito
patent: 4452408 (1984-06-01), Sasaki
patent: 4506846 (1985-03-01), Gelardi et al.
patent: 4545500 (1985-10-01), Yamaguchi et al.
Kagano Shin-ichi
Urano Kazuaki
Hitachi Maxell Ltd.
Watkins Donald
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