Sheet feeding or delivering – Feeding – Separators
Patent
1998-02-17
1999-06-29
Terrell, William E.
Sheet feeding or delivering
Feeding
Separators
271 301, 271104, 271105, B65H 312, B65H 108, B65H 334, B65H 336
Patent
active
059156830
ABSTRACT:
The present invention relates to an air suction type paper feeding device that includes at least one rib 5 formed on a paper supply table, the rib slightly lifting papers P such that the bottommost paper is less likely to be retained by static electricity. The invention also relates to a jogging plate disposed at a rear end of the paper supply table which has an inclined portion which urges the uppermost papers on the paper supply table towards an air supply means. The jogging plate is further formed with an arcuate portion which diverts air from the air supply means downward against a rear end portion of the paper on the paper supply table. The present invention further relates to a paper feeding belt 3 having air permeability disposed above stacked papers on the paper supply table. A vacuum manifold is disposed between portions of the feeding belt 3 to provide vacuum to lift papers. The vacuum manifold is formed with a plurality of suction ports a, b, c. The suction ports a, b are provided with movable covers 11 which allow for selective opening and closing of those suction ports in response to the size paper on the paper supply table.
REFERENCES:
patent: 4595190 (1986-06-01), Amarakoon
patent: 5181706 (1993-01-01), Yamamoto
Bower Kenneth
Mita Industrial Co. Ltd.
Terrell William E.
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