Sheet feeding apparatus

Sheet feeding or delivering – Feeding – By means to convey sheet

Patent

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Details

198726, 271240, 271248, 271273, B65H 516, B65H 904

Patent

active

042392063

ABSTRACT:
In sheet feeding apparatus of the type disclosed in U.S. Pat. No. 3,690,647, at least one conveyor chain extending in a closed loop is moved on supporting structure in a path having two reversing portions arcuate about respective axes of curvature, a feeding portion substantially straight and parallel to the plane of intended sheet movement, and a return portion, the feeding and return portions connecting the reversing portions. The axes of curvature of the reversing portions are obliquely or perpendicularly transverse to the plane of sheet movement. The conveyor chain has at least one sheet engaging dog fastened to a corresponding link of the chain in such a manner that the dog moves in the plane of sheet movement while the associated chain link moves in the feeding portion of its path, and the dog moves about the axes of curvature in respective arcs of smaller radii of curvature than those of the reversing path portions when the associated chain link moves in the latter.

REFERENCES:
patent: 1789504 (1931-01-01), Uline
patent: 2191330 (1940-02-01), Straw
patent: 2570030 (1951-10-01), Forster
patent: 2669342 (1954-02-01), Neal
patent: 3690647 (1972-09-01), Matsuo
patent: 3741536 (1973-06-01), Anderson

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