Tape cassette reel

Details Tape cassette reel Tape cassette reel

1985-12-30

1988-05-31

Petrakes, John

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 718, B65H 7518

Patent

active

047475633

ABSTRACT:
A reel flange for a tape reel in a tape recording system which has an annularly-shaped projecting portion which merges into a recessed annularly-shaped control portion. A plurality of inwardly-directed rib members extend inwardly from the projecting portion into the recessed central portion to aid in the alignment of the reel flanges when stacked during manufacture. Openings in the recessed control portion receive mating pins located on a cylindrical projecting portion intermediate the flanges of the reel to secure the flange to the projection portion. The flange further defines a stacking-pin receiving opening with an alignment lug. The thickness of the projecting portion of the reel flange may also decrease with increasing radial distance from its center.

REFERENCES:
patent: 1581279 (1926-04-01), Marvin et al.
patent: 4176804 (1979-12-01), Nemoto et al.
patent: 4203564 (1980-05-01), Nemoto
patent: 4254919 (1981-03-01), Moodie
patent: 4404749 (1983-09-01), Nakagawa
patent: 4449677 (1984-05-01), Ohta et al.
patent: 4452404 (1984-06-01), Gelardi et al.
patent: 4564156 (1986-01-01), Cybulski

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