Printing – Rolling contact machines – Rotary
Patent
1989-12-04
1992-05-26
Burr, Edgar S.
Printing
Rolling contact machines
Rotary
101240, 101214, 101 91, B41F 1324
Patent
active
051157390
ABSTRACT:
A document imprinting device for imprinting on documents such as checks, and its method of use, comprising a frame, a document feeding mechanism mounted on the frame for sequentially feeding documents, a conveying mechanism for conveying a document from the document feeding mechanism along a document conveyance path, an imprinting mechanism for imprinting the documents conveyed along the document conveyance path, said imprinting mechanism including a print drum mounted on a rotatable shaft having a generally round surface with a flat segment, a sensing mechanism positioned along the document conveyance path for sensing the position of the documents and for triggering the imprinting mechanism such that the document is imprinted at a desired location on the document, and rotation detecting means for detecting whether said shaft makes a rotation.
REFERENCES:
patent: 3869986 (1975-03-01), Hubbard
patent: 4321531 (1982-03-01), Marshall
patent: 4416449 (1983-11-01), McInerny
patent: 4688481 (1987-08-01), Cargill
patent: 4727437 (1988-02-01), Mizoguchi
patent: 4909149 (1990-03-01), Melcher
patent: 4956551 (1990-09-01), Repschlager et al.
A. Earley John F.
A. Earley III John F.
Bennett Christopher A.
Burr Edgar S.
Technitrol, Inc.
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