Reel and recording tape cartridge

Details Reel and recording tape cartridge Reel and recording tape cartridge

2007-06-19

2007-06-19

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

Cartridge system

C242S613000, C242S614000

Reexamination Certificate

active

11504731

ABSTRACT:
A reel comprises a hub onto which recording tape is wound and a flange that is disposed on an end portion of the hub and retains a width-direction end portion of the recording tape, wherein plural cutout portions that locally divide the hub and the flange are formed in the flange. The cross section of the hub in plan view has a substantially equilateral triangular shape and positions where constricting force resulting from the tape reaches a maximum are caused to protrude in advance.

REFERENCES:
patent: 1868719 (1932-07-01), Payne
patent: 2799458 (1957-07-01), Nye
patent: 3041005 (1962-06-01), Wallace
patent: 3622095 (1971-11-01), Turner
patent: 5054709 (1991-10-01), Sato
patent: 5509620 (1996-04-01), Crews
patent: 6390411 (2002-05-01), Chal et al.
patent: 6474582 (2002-11-01), Zwettler et al.
patent: 6866222 (2005-03-01), Varela
patent: 2003/0122029 (2003-07-01), Varela
patent: 2004-14022 (2004-01-01), None
patent: 2004-14023 (2004-01-01), None

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