Patent ID: 9221282
Filing Date: 2015-12-29
Classification: B41J

Abstract:
1. A media cartridge for insertion into a cartridge receptacle of a printer, the printer having a print head and a platen roller located in the cartridge receptacle, the media cartridge comprising: a cartridge housing having a top and bottom joined by a sidewall and having at least two shifting ribs comprising a first shifting rib and second shifting rib extending from the sidewall that are engageable with a sidewall of the cartridge receptacle, the first shifting rib being configured to center a length of media and an ink ribbon of the media cartridge between the print head and the platen roller in the cartridge receptacle at a position of initial insertion of the media cartridge into the cartridge receptacle and, as insertion of the media cartridge into the cartridge receptacle continues, the second shifting rib shifts the length of media and the ink ribbon toward one of the print head and the platen roller; wherein, the bottom of the media cartridge defines a horizontal plane so that the first shifting rib and the second shifting rib are at different vertical heights along the sidewall sharing no common vertical heights along the sidewall and wherein at least one of the first shifting rib and the second shifting rib has a tapered surface defining an oblique angle relative to a vertical direction, and wherein the first shifting rib is integrally formed with the cartridge housing on one side of the cartridge housing and is disposed at a first vertical height substantially at the bottom of the media cartridge and wherein the second shifting rib is integrally formed with the cartridge housing on the other side of the cartridge housing and is an elongated rib that tapers as the elongated rib downwardly extends over the vertical distance of the sidewall.