Printing station apparatus for a bank passbook type document

Claim 1

A print station apparatus for feeding and printing on a passbook type document comprising, in combination: a. a main frame including a base plate and at least a pair of side frames, b. a rotatable document drive rod mounted between the side frames, c. a rotatable platen of resilient deformable material having a plurality of annular grooves and rings alternately disposed axially thereof, said annular grooves each having a crosssection so dimensioned and configurated as to provide a lateral expansion area for respectively adjoining annular ring portions, whereby each of said annular ring portions may undergo resilient lateral expansion to accommodate document thickness variations, d. pivotal means within said side frames for supporting the platen and wherein the platen is normally positioned in spaced apart parallel relationship to the document drive rod, e. means for incrementally driving the document drive rod and platen in movable relation, f. a wedge-shaped bar mounted in fixed relationship to the document drive rod and which functions to assist in visually aligning the printing line of a document, g. a first means coupled with said pivotal means and operable to move the platen toward the document drive rod for engaging and feeding a document inserted therebetween to a predetermined position, and h. a second means coupled with said pivotal means and operable to move the platen to a printing position.