Patent ID: 7213990
Filing Date: 2007-05-08
Classification: B41J

Abstract:
1. An ink ribbon cartridge, comprising: a frame; supply shaft connecting members, the supply shaft connecting members connecting a supply shaft to the frame; a first take-up shaft connecting member and a second take-up shaft connecting member, the first and second take-up shaft connecting members connecting a take-up shaft to the frame, and the first take-up shaft connecting member including a first portion and a second portion; wherein: one of the first portion and the second portion includes a gear portion, the first portion includes a receiving portion and at least one opening along an outer surface thereof; the second portion includes an insert portion, the insert portion having a first side and second side, the first and second sides being flexibly connected such that facing surfaces of the first and second sides have a first space therebetween when the first portion is separate from the second portion and having a smaller space therebetween when the second portion is being inserted into the first portion such that when the insert portion with at least one of a projecting portion and an angled end of one of the first side and the second side is inserted into the receiving portion, the insert portion with the at least one of the projecting portion and the angled end of one of the first side and the second side may pass through the receiving portion so that the at least one of the projecting portion and the angled end of the at least one of the first side and the second side may project into the at least one opening of the first portion such that the first portion and the second portion are undetachably connected.