Winding – tensioning – or guiding – Unwinding and rewinding a machine convertible information... – Cartridge system
Patent
1994-08-08
1995-03-28
Stodola, Daniel P.
Winding, tensioning, or guiding
Unwinding and rewinding a machine convertible information...
Cartridge system
2426088, 2421186, G11B 23107
Patent
active
054009812
ABSTRACT:
A tape reel includes a cylindrical hub having a cylindrical tape winding surface, an upper flange and a lower flange. A cylindrical mounting portion is formed on the inner opening of the upper flange and has a free end portion and a hub receiving portion on the outer surface. The free end portion is located closer to the free end of the mounting portion and is thinner than the hub receiving portion. The hub has a free end on which the upper flange is mounted. The inner surface of the hub includes a main portion and a flange receiving portion located closer to the free end than the main portion. The flange receiving portion is thinner than the main portion. The hub receiving portion is received in the flange receiving portion when the upper flange is mounted on the hub. The hub inner surface also includes a flash receiving portion located closer to the free end than the flange receiving portion. The flash receiving portion is thinner than the flange receiving portion.
REFERENCES:
patent: 4088278 (1978-05-01), Adair
patent: 4211588 (1980-07-01), Raines
patent: 4715558 (1987-12-01), Fair et al.
patent: 4723731 (1988-02-01), Posso
patent: 5007596 (1991-04-01), Iwahashi
patent: 5074487 (1991-12-01), Okamura et al.
patent: 5318239 (1994-06-01), Posso
Louks John W.
Pochardt Donald L.
Rambosek G. Phillip
Griswold Gary L.
Kirn Walter N.
Levine Charles D.
Minnesota Mining and Manufacturing Company
Nguyen John Q.
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