Tape cassette reel having upper flanges molded therewith

Details Tape cassette reel having upper flanges molded therewith Tape cassette reel having upper flanges molded therewith

1989-09-13

1991-10-08

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7518

Patent

active

050547097

ABSTRACT:
On a tape cassette reel in which upper and lower flanges are integrally molded on upper and lower ends of a reel hub, the upper flange is formed in correspondence with an opening portion through the lower flange, and a protrusion is formed on an outer peripheral portion of the upper flange. This protrusion extends the effective radius of the upper flange so that the complete length of the magnetic tape is guarded against slippage even when the magnetic tape is fully wound around the reel hub.

REFERENCES:
patent: 2247881 (1941-07-01), Hatfield
patent: 3993262 (1976-11-01), Longworth

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