Matrix printer with cutting device
AssigneeAutelca AG
InventorFritz Siegenthaler
Life of this patent
Estimating the term…
Abstract
In a matrix printer, the knife blade (27) of the cutting device for the imprinted paper is integral with a cam carrier of a planar sliding cam drive roller (3) supported on the matrix printing head (1). Three cam sections (41, 42, 43) on the cam carrier are contacted by the drive roller (3) as it moves back and forth with the matrix printing head (1) during printing, and the drive roller contacting one of the cam sections (42) to move the knife blade laterally of the imprinted paper to cut it as it leaves the printing site, and contacting another of the cam sections (43) to return the knife blade to its retracted position.
Claims8
A matrix printer comprising a matrix printing head (1), a printing site at said matrix printing head, a cutting device (8,27,37) for imprinted paper leaving the printing site, guide means supporting said matrix printing head for longitudinal displacement forwards and backwards in the line writing direction, a displacement drive mechanism (18-22, 24, 25) connected to said matrix printing head for longitudinal displacement thereof, a drive roller (3) connected to said matrix printing head for displacement therewith, said cutting device including a knife blade (27), means connected guide said knife blade (27) displaceably at right angles to the line writing direction, a driven planar sliding cam drive means connected to said knife blade (27) and including cam carrier means (44,48) and cam means (41,42,43), and said drive roller (3) connected to travel along said cam means (41,42,43) and drive said planar sliding cam drive means.
Dependencies are inferred from the claim text.