SPRINGLESS PRINT HEAD ACTUATOR

1. Print element actuator for a wire printer of the type including : an electro-magnet (58) and a permanent magnet, each of them having the form of a hollow cylinder, an armature (50) affixed to the print wire and positioned within said electro-magnet and said permanent magnet so that said armature can move a predetermined distance between a metal back stop (54) and a front stop (64), a first magnetic circuit, including the electromagnet, the armature and the front stop, and through which flux flows when the electro-magnet is energized, this flux controlling the forward movement of the print wire, a second magnetic circuit, including the permanent magnet and the armature and through which flux flows when the electro-magnet is not energized, this flux controlling the reverse movement of the print wire, this actuator being characterized in that : a cylindrically shaped hollow piece (76) is positioned between the electro-magnet and the permanent magnet to set up a magnetic circuit with the electro-magnet, the front stop and the armature and the backside stop is formed of a non-magnetic material.