A printing apparatus including a feed path for print medium to be imprinted. A printing station defined by a printhead that is biased towards abutting contact with a platen roller. A floating mount pivotally mounts the printhead with respect to the platen roller so that a uniform contact pressure is...http://www.google.fr/patents/US4685815?utm_source=gb-gplus-shareBrevet US4685815 - Printing apparatus