Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1984-03-14
1985-10-15
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242199, G03B 104, G11B 1532
Patent
active
045469369
ABSTRACT:
A magnetic tape cassette comprises upper and lower casings to be assembled together and tape reels held in the assembled casings wherein the lower casing is provided with first reference holes at positions corresponding to reference pins formed in a magnetic tape cassette deck, to be fitted into the pins and second reference holes are formed in the upper casing so as to have the same center axis as that of the first reference holes, dimensions of all structural elements of the upper and lower casings being determined on the basis of both the reference holes.
REFERENCES:
patent: 3140832 (1964-07-01), Cech
patent: 3758730 (1973-09-01), Rothschild et al.
Ishida Toshihiko
Okamura Masatoshi
Christian Leonard D.
TDK Corporation
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