Ribbon drive assembly for ribbon cartridge
US5487615A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1994 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Oct 28, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J31/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A ribbon cartridge for use in impact type printers such as line printers, typewriters an, fie-dot printers. The ribbon cartridge includes a housing having a bottom wall portion, a re-inking assembly provided in a re-inking compartment within the housing for re-inking a ribbon, a ribbon storage compartment for storing the ribbon, and a ribbon drive assembly provided within the housing for advancing the ribbon. The ribbon drive assembly includes a toothed transfer-drive gear assembly and an idler gear assembly for engagement with the toothed transfer-drive gear assembly. In one embodiment of the present invention, the ribbon cartridge has a partition wall separating between the re-inking compartment and the ribbon storage compartment, and the toothed transfer-drive gear assembly has a vertical wall portion defining a part of the partition wall. A first engaging device is provided adjacent the partition wall and affixed to the bottom wall portion of the housing, and a second engaging device provided on the toothed transfer-drive gear assembly for removably engaging the first engaging device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.