Patent ID: 8770873

Claim:
An ink ribbon cassette comprising: a first cover; a second cover; an ink ribbon lodging section that includes the first cover and the second cover and lodges ink ribbon in a folded state; a driving section that takes the ink ribbon from an enter opening of the ink ribbon lodging section into the ink ribbon lodging section and draws the ink ribbon out of the ink ribbon lodging section from an ejecting opening of the ink ribbon lodging section; a first embankment, furnished proximate the ejecting opening and inside the ink ribbon lodging section, for pushing the ink ribbon in a width direction of the ink ribbon; a movement path furnished between the first cover and the second cover and outside the ink ribbon lodging section, the movement path being disposed so that the ink ribbon drawn out from the ejecting opening of the ink ribbon lodging section moves in the movement path in a movement direction towards the enter opening, and is then taken from the enter opening into the ink ribbon lodging section; a guide member that is furnished in the movement path and formed in the movement path so as to make the movement path narrower in a thickness direction of the ink ribbon; and a pair of second embankments, furnished in the movement path and proximate the ejecting opening of the ink ribbon lodging section, for pushing the ink ribbon in the width direction of the ink ribbon, the second embankments each having a rib, the ribs of the second embankments protruding toward an inside of the movement path from both of the first cover and the second cover, the second embankments being disposed downstream of the guide member in the movement direction of the ink ribbon in the movement path, each of the second embankments having a length along the width direction of the ink ribbon that is greater than a length of the first embankment along the width direction of the ink ribbon, when the driving section moves the ink ribbon in the movement direction, the ink ribbon is drawn from the ink ribbon lodging section into the movement path through the ejecting opening, traverses the first embankment, the guide member and the second embankments in that stated order, and is subsequently drawn into the ribbon lodging section through the enter opening.