Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1992-06-22
1994-03-29
Stodola, Daniel P.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242199, G11B 2304, G11B 23087
Patent
active
052977544
ABSTRACT:
A tape reel brake which is mounted in a well in the top of a tape reel hub. The well is inside the tape bearing surface of the hub. The brake is mounted to be compliantly biased away from the base of the well. The hub is seated against a first inside surface of a tape cartridge housing. The hub and brake are seated in the tape cartridge such that teeth on the periphery of the brake are biased against the opposite inside surface of the cartridge housing about the periphery of an opening therein. The biasing of the brake against the opposite inside surface both prevents the rotation of the reel and shields out dust when the tape cartridge is removed from a tape drive. To rotate the reel, a tape drive clutch enters the opening in the opposite inside surface and depresses the brake into the well to mate with a smaller diameter portion of the hub or a recessed portion of the brake. The hub is always maintained on the inside surface of the housing, thereby eliminating lateral motion which could disrupt the tape path.
REFERENCES:
patent: 3692956 (1972-09-01), Northrup
patent: 3706426 (1972-12-01), Prahl
patent: 3807840 (1974-04-01), Cook et al.
patent: 4405098 (1983-09-01), Spicer
patent: 4513929 (1985-04-01), Koishi et al.
patent: 4555077 (1985-11-01), Platter et al.
patent: 4646190 (1987-02-01), Meguro
patent: 4789915 (1988-12-01), Clifford
patent: 5012378 (1991-04-01), Onmori et al.
patent: 5052634 (1991-10-01), Bushwood et al.
M. E. Prahl "Cassette Reel Lock" Dec. 1970, p. 1763 vol. 13 No. 7.
H. O. Kinkleid "Cartridge Reel Brake" vol. 27 No. 1B Jun. 1984 p. 740.
"Cartridge Reel Lock" vol. 28 No. 4 Sep. 1985, p. 1565.
"Cartridge Reel Brake" vol. 28 No. 10 Mar. 1986 p. 4552.
Albrecht Thomas R.
Argumedo Armando J.
East Don G.
Eaton James H.
Felde Steven L.
International Business Machines - Corporation
Nguyen John Q.
Schecter M. W.
Stodola Daniel P.
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