Inking ribbon cassette

Claim 1

In a printing device including a printer head, a capstan-type ink-ribbon drive, and a ribbon-end monitor, an ink ribbon cassette reversible between a first position and a second position, said cassette comprising the following: a substantially rectangular housing composed of two halves, each having two relatively long longitudinal edges and two shorter lateral edges; two ribbon winding hubs between which said ink-ribbon is conveyable along a conveying path; a pair of printer-head openings extending through one of said longitudinal edges into said conveying path and symmetrically disposed about a centerline of said cassette, so that said printer head is disposed inside of said conveying path when said cassette is mounted in said printing device; two capstan/monitor opening means for receiving said capstan drive when said cassette is mounted in one of said positions, and for receiving said ribbon-end monitor when said cassette is mounted in the other of said positions, and disposed symmetrically opposite one another, one at each of said two shorter lateral edges; and said capstan/monitor opening means extending into said conveying path.