Paper guide wheel

Details Paper guide wheel Paper guide wheel

1990-03-29

1992-02-25

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

By means to convey sheet

101422, 101419, B65H 502

Patent

active

050906860

ABSTRACT:
A paper guide wheel for printing presses is formed to include an outer surface eccentric with respect to the axis of rotation of the wheel so as to form an air gap between the outer surface of the wheel and the paper as the paper is drawn thereover during movement through the press. The air gap gradually narrows as the wheel turns, allowing the freshly inked surface of the paper to gently nest against the outer surface at a point removed from the leading edge of the paper. The outer surface has a slightly convex contour in the axial direction to avoid marking of the paper by contact with the axial extremes of the outer surface. Foam material may be provided on the wheel rim to assist in supporting the paper without marking the freshly inked image.

REFERENCES:
patent: 687575 (1901-11-01), Roesen
patent: 2410611 (1946-11-01), Pratt et al.
patent: 3642274 (1972-02-01), Herrington et al.
patent: 3918707 (1975-11-01), Villemer et al.
patent: 4691632 (1987-09-01), DeMoore

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