Title: Ribbon cartridge

Abstract: A ribbon cartridge for an endless loop inked ribbon suitable for use with a wire matrix printer, for example, is disclosed in which the cartridge includes elongated guide members to confine the path of the loop of ribbon outside of the cartridge to a predetermined path and to allow for insertion of the cartridge into a using machine without the necessity of threading inky ribbon through fixed guides on the machinery.

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Inventors: Matuck, George Coleman (Raleigh, NC, US)
Sienkiewicz, Gerald Carl (Raleigh, NC, US)
Thorne, William Duncan (Raleigh, NC, US)

Application Number: 485654
Filing Date: 1974-07-03
Publication_date: 1976-03-02
Assignee: International Business Machines Corporation (Armonk, NY)
Primary Class(es): 400/196.1 226/90, 226/195, 400/235.1, 400/248, D18/12
Other Classes:
US Patent Ref:

3309037	Mar, 1967	Amos	242/67.
3621968	Nov, 1971	Kondur	197/172.
3830351	Aug, 1974	Cappotto	197/151.

Other Refs:
Primary Examiner: Burr, Edgar S.
Assistant Examiner: Hum, Vance Y.
Attorney: Duffield; Edward H.