Portable credit card imprinter

A portable imprinter for transferring indicia from a printing plate to a document such as a sales slip, comprising a generally rectangular container, said container comprising a base, the inner surface of which defines a printing bed for supporting the printing plate and receiving the document in appropriate position thereover, a frame attached to said base comprising paired longitudinal and lateral frame portions, a pair of opposed longitudinally extended slots located on opposite sides of the base and at the junction with the frame for insertion of said printing plate and said document, and a reciprocable imprinting roller assembly comprising a generally rectangular carriage rollably mounted within said longitudinal frame portions and adapted for longitudinal reciprocation therebetween, a generally U-shaped bracket supported by said carriage, said bracket defining a pair of parallel, generally triangularly shaped, spaced-apart arms, a laterally extending first shaft member journaled through said arms and passing through said carriage to provide a pivotal connection between said bracket and said carriage, a second shaft member parallel to said first shaft member journaled through said carriage, paired rollers located at the respective ends of said first and said second shaft members, said rollers extending laterally beyond said carriage and in rollable contact within said respective longitudinal frame portions, said paired rollers serving to support said carriage during rollable reciprocation therewithin, a printing roller rotatably mounted on an axle, said axle journaled through said arms and situated in spaced-apart relation to said first and said second shaft members, said roller adapted to make contact with said printing bed, spring biased tensioning means anularly displaced about said first shaft member, said tensioning means adapted to urge said roller away from said carriage and into constant tensioned abutment with said printing bed, and a rectangular cover mounted on said carriage on the side thereof opposite said bracket.