Ink ribbon core

Details Ink ribbon core Ink ribbon core

2006-08-08

2006-08-08

Matecki, Kathy (Department: 3654)

Winding, tensioning, or guiding

Coil holder or support

Spool or core

Reexamination Certificate

active

07086628

ABSTRACT:
A core includes a tubular body that supports a wound sheet roll. The tubular body having open ends includes an annular outer surface receiving the sheet roll, and an annular inner surface defining a bore that receives a spindle. A plurality of ribs project inwardly from the body inner surface and extend axially between the open ends for nesting in corresponding slots in the spindle. Each of the ribs includes a bevel at one end for frictionally engaging a corresponding spindle slots to retain the core axially. Another set of frictional retention ribs projects inwardly from the body inner surface and extends radially between the axial ribs.

REFERENCES:
patent: 3106363 (1963-10-01), Epstein
patent: 3312410 (1967-04-01), Strothmann
patent: 5833377 (1998-11-01), Keller et al.
patent: 5947618 (1999-09-01), Keller et al.
patent: 6425551 (2002-07-01), Puckett et al.
patent: 6609677 (2003-08-01), Seybold et al.
patent: 6609678 (2003-08-01), Seybold et al.
patent: 2003/0080238 (2003-05-01), Seybold et al.
patent: 2003/0106957 (2003-06-01), Seybold et al.

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