Binder device releasably engaging aperture or notch of sheet – Miscellaneous – Sheet lifters
Patent
1991-02-11
1992-12-08
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Miscellaneous
Sheet lifters
402500, 402 24, 402 25, B42F 1342
Patent
active
051692554
ABSTRACT:
What is disclosed is methods and apparatus for removing selected submerged sheets of paper from stacks of paper fastened in file folders by Acco-type fasteners. The apparatus is a superincumbent sheet remover consisting of a rigid plate having a paper clamp at one edge and notches on at least one edge for the prongs of the fastener which fastens the sheets of the stack in the file folder.
REFERENCES:
patent: 923325 (1909-06-01), Brown
patent: 1202831 (1916-10-01), Goslin
patent: 1640132 (1927-08-01), Miller
patent: 1704862 (1929-03-01), Lotter
patent: 1894137 (1933-01-01), Unger
patent: 2799275 (1957-07-01), Darden
patent: 4084911 (1978-04-01), DeWitt
patent: 4632586 (1986-12-01), Erickson
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