Browse Prior Art Database

Ribbon Cartridge

IP.com Disclosure Number: IPCOM000039337D
Original Publication Date: 1987-May-01
Included in the Prior Art Database: 2005-Feb-01
Document File: 2 page(s) / 50K

Publishing Venue

IBM

Related People

Sickenius, LS: AUTHOR

Abstract

The shipping container for a wide "bedsheet" type of ribbon for line printers can also double as the cartridge for the installed ribbon. Identification remains permanently with the ribbon, and potentially messy installation is avoided. Referring to Fig. 1, ends 1 of container 2 of rectangular cross section each rotatably support a pair of parallel cores 3 onto one of which is wound an inked ribbon (not shown) with the free end of the ribbon secured to the other core. The container 2 is separable along its length into two open-sided cartridges 2a, 2b of approximately equal volume by removal of a tear strip 2c. Upon separation, the two cartridges 2a, 2b are installed, in Fig. 2, between a pair of end plates 4, each having a pair of spring-biased hubs 5 each supporting a core end.

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Ribbon Cartridge

The shipping container for a wide "bedsheet" type of ribbon for line printers can also double as the cartridge for the installed ribbon. Identification remains permanently with the ribbon, and potentially messy installation is avoided. Referring to Fig. 1, ends 1 of container 2 of rectangular cross section each rotatably support a pair of parallel cores 3 onto one of which is wound an inked ribbon (not shown) with the free end of the ribbon secured to the other core. The container 2 is separable along its length into two open-sided cartridges 2a, 2b of approximately equal volume by removal of a tear strip 2c. Upon separation, the two cartridges 2a, 2b are installed, in Fig. 2, between a pair of end plates 4, each having a pair of spring-biased hubs 5 each supporting a core end. Plates 4 and hubs 5 are part of the permanent printer mechanism. A ribbon drive motor 6 is connected to one of the cores at an end plate hub and is incrementally driven to advance the ribbon past print band 7 rotated on pulleys 8. During ribbon movement, cartridges 2a and 2b are prevented from rotating either by fixed printer shield 9 or, alternatively, tabs 10 (shown in phantom) affixed to end plates
4. Cores 3 each have recesses 11 at their ends, in Fig. 3, for engagement with the incrementing drive mechanism. Retainers 12 on each core maintain a bushing 13 in place to isolate the core from the cartridges. The package elements and bearings require only the minimum struct...