US Patent 7758262 Ink ribbon cartridge with first and second grip portions

An ink ribbon cartridge including a frame, supply shaft supporting members and take-up shaft supporting members is provided. The supply shaft supporting members support a supply shaft, and the take-up shaft supporting members support a take-up shaft. The frame includes a first bearing member, a second bearing member, a front connecting member, which connects front ends of the first and second bearing members together, and a back connecting member connects back ends of the first and second bearing members together. At least one of the front connecting member and the back connecting member has one of a groove or a hole capable of accommodating a portion of an image forming device in which the ink ribbon cartridge may be installed.