公开(公告)号：CA2021824A1

公开(公告)日：1991-03-16

申请号：CA2021824

申请日：1990-07-24

Applicant: IBM

Inventor： PATERRA JEFFREY H ,  REX DONALD K

IPC: B41J31/14 ,  B41J31/16 ,  B41J32/02 ,  B41J35/28

Abstract: A ribbon cartridge (2) for an endless ribbon (12) used in high speed printers, with increased reliability due to fewer parts, is constructed from a molded casing which is rectangular in shape into which are formed a post on which a cylindrical porous fluid reservoir (16) is mounted, a ribbon protector (40) which isolates the ink reservoir from the ribbon (12) in the stuffer box portion of the cartridge, and a forked bracket (46) for mounting a shaft (22) on which gears are mounted. A combination gear for driving a ribbon (12) into the stuffer box and for re-inking the ribbon is mounted on a post and then rotatably mounted on the bracket formed into the housing and is inked by contact with the ink reservoir. An idler gear (20) is rotatably mounted on a bracket (48) which is pivoted from a socket (50) molded into the socket wall and is spring biased into contact with the drive and transfer gear (18), which is turned by its extended shaft advance and ink the ribbon. As a result a simplified re-inking arrangement is achieved with the minimum of components. Also, by re-inking a central drive and transfer gear (18), only the print track of a ribbon is reinked thereby extending the re-inking life by conserving ink.

公开(公告)号：CA2016938A1

公开(公告)日：1990-12-01

申请号：CA2016938

申请日：1990-05-16

Applicant: IBM

Inventor： PATERRA JEFFREY H ,  REX DONALD K

IPC: B41J31/16 ,  B41J32/02