The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 07, 1989
Filed:
May. 06, 1987
David G Edwards, Dublin, IE;
Gerard Finlay, Naven, IE;
David J Boyle, Leixlip, IE;
Clyde C Heasly, Jr, Arlington, VA (US);
Joseph M Walsh, Raheny, IE;
Ralph J Poling, Walkersville, MD (US);
Security Imprinter Corporation, Walkersville, MD (US);
Abstract
Electric motor driven imprinter apparatus for imprinting characters from a character imprint source member onto document sheets or the like, including a housing having a driven roller moved back and forth transversely across an imprint station, a horizontally slidable carrier block member and a changeable cassette carried by the block member having a changeable vertically slidable roller block member and a roller rotatably carried thereby. A pair of spaced apart rotatable sprockets and an endless drive chain having a spud projecting therefrom and provided for driving the carrier block member and roller block member back and forth through advance and return strokes spanning the imprint station. The roller block support structure is movable from an imprint position to a release position for removable and replacement of the roller block member and roller, and a carrier member is hinged for pivotal movement relative to the casing and has a recess for receiving the imprint source member and a pocket for document sheets.