Impact dot print head and printer including same

An impact dot print head, comprising:

• a plurality of lever means mounted in the print head biased toward a print position, a print wire mounted on the free end of each lever means, a plunger mounted to said lever means, a permanent magnet for attracting said plunger to a stand-by position, electromagnetic means cooperating with reach respective lever means to cancel the attractive force of the permanent magnet to permit the print wire to be displaced towards said print position and disk-shaped stopper means for being impacted by said lever means when said lever means returns to the stand-by position and stopper support means for supporting said stopper means so that the lever means impacts the stopper means before the plunger contacts the electromagnet means and positioning said stopper means so that an air gap exists between the plunger and the magnet means free of any connection between said plunger and magnet means through said air gap when the lever means is in the stand-by position, said disk-shaped stopper means subjected to elastic deformation when the plunger is attracted to the magnet means as the lever is returned to the stand-by position, and said stopper means supported in said print head on the bottom surface opposite to impact by the lever.