Ribbon cartridge internal gear structure protecting main shaft of printer

• Main Authors: WEN ZHONGCAI, CHEN WEIQUAN, ZHU KUNYAN
• Format: Patent
• Language: Chinese; English
• Published: 25.09.2013
• Subjects: CORRECTION OF TYPOGRAPHICAL ERRORS; i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; LINING MACHINES; PERFORMING OPERATIONS; PRINTING; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TYPEWRITERS

The invention relates to a ribbon cartridge of a stylus printer, in particular to a ribbon cartridge internal gear structure protecting a main shaft of a printer, and belongs to the field of printing supplies. The ribbon cartridge comprises a ribbon cartridge body, a driving gear and a driven gear, wherein the driving gear and the driven gear are arranged in the ribbon cartridge body, a colored tape penetrates through between the driving gear and the driven gear, and the driving gear and the main shaft of the printer are connected coaxially. The ribbon cartridge internal gear structure protecting the main shaft of the printer is characterized in that the driving gear comprises an internal gear and an external gear, the internal gear and the external gear are arranged in a coaxial sleeved mode, the external gear is provided with external tooth splines to be meshed with the driven gear, the internal gear comprises two parts, one part of the internal gear is meshed or locked with the inner ring of the external g