Rotary wheel printer

Abstract

A rotary wheel printer such as a daisy wheel printer comprises a rotatable platen for winding a print paper sheet partially therearound, a carriage movable along the platen, a type wheel mounted on the carriage in confronting relation to the platen and having a plurality of type fonts and a correcting section. First drive means are mounted on the carriage for driving the type wheel to rotate about its own axis, and hammer means are also mounted on the carriage for moving toward one of the type fonts or one of the correcting sections while it is held at rest in a printing position. Second drive means are mounted on the carriage for driving the hammer means, and ribbon feeder means are provided for successively feeding ink ribbon accommodated in a ribbon cassette mounted on the carriage and a correcting ribbon accommodated in the ribbon cassette. Third drive means are mounted on the carriage for driving the ribbon feeder means, and correcting means comprising the correcting section of the type wheel, the correcting ribbon, and hammer means for correcting a printed character from the paper sheet by striking the correction ribbon are provided.

Dependencies are inferred from the claim text.