Printing – Rolling contact machines – Bed-and-cylinder
Patent
1999-02-16
1999-10-19
Burr, Edgar
Printing
Rolling contact machines
Bed-and-cylinder
B41F 320
Patent
active
059670398
ABSTRACT:
An imprinter of simplified construction, including a base having a flatbed for receiving at least one character bearing element having characters to be imprinted on a print receiving element, and having a pair of opposed upwardly extending sides as well as a lid having a top surface, a pair of platen holder supports, and downwardly extending sides engaged with and slidable along the upwardly extending sides of the base to support the lid for sliding motion in first and second opposed directions along the flatbed and to limit movement of the lid orthogonal to the flatbed during movement in the first and second directions. In the imprinter of the present invention, each of the platen holder supports has a pair of opposed sidewalls having opposed axle supporting openings therein, wherein the axle supporting openings have at least two lobe shaped portions, each having a closed end and an open end, joined together at their open ends to form a substantially L-shaped opening, wherein closed ends of the respective, opposed first lobes substantially face the first direction and the closed ends of the respective, opposed second lobes substantially face the flatbed. First and second rolling platens are attached to the platen holder supports of the lid, each of the first and second rolling platens having an axle supported in the opposed axle supporting openings of the sidewalls. In this manner, the forces applied during movement of the lid in the first direction cause the axles of the rolling platens to move into the first lobes so that peripheries of the rolling platens are forced towards the flatbed to imprint characters from the at least one character bearing element on the print receiving element, and forces applied during movement of the lid in the second direction cause the axles of the rolling platens to move into the second lobes so that a periphery of the rolling platen is allowed to move away from the flatbed.
REFERENCES:
patent: 5385094 (1995-01-01), Kennedy
Burr Edgar
Cone Darius N.
NBS Technologies, Inc.
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