Binder device releasably engaging aperture or notch of sheet – Sheet retainer with separate aperture making device
Patent
1994-12-16
1996-09-10
Fridie, Jr., Willmon
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with separate aperture making device
402 4, B42F 300
Patent
active
055539580
ABSTRACT:
A combination book and holepunch assembly includes a book having a flat portion thereon and a holepunch assembly securely attached to the flat portion. The holepunch assembly comprises a housing comprising a first rigid substantially flat plate securely connected to the flat portion. The housing has a set of a plurality of spaced holes formed therethrough a side thereof. The housing further includes an opening in a central portion thereof. A plurality of spaced hinges are located on a side edge of the central portion defined by the opening. A second rigid plate is included having a first hingedly connected via the spaced hinges to the first rigid plate. The second plate has a shape complementary to the shape of the central opening so that when the second rigid plate is in a stowed position it may be supported with the central opening. The second plate includes spaced projections formed on an upper surface thereof. The projections are so sized and spaced to align with the second set of spaced holes in the first plate when the second plate is rotated away from the stowed position so as to provide a hole punching capability when paper is inserted between the first plate and the second plate.
REFERENCES:
patent: 1285048 (1918-11-01), Cooke, Jr.
patent: 1336998 (1920-04-01), Bottle
patent: 2445440 (1948-07-01), Klemm
patent: 5058736 (1991-10-01), Bedol
patent: 5209592 (1993-05-01), Bedol
patent: 5340229 (1994-08-01), Schwartzman
McGill, Inc., 2-piece, 3-hole binder punch, (2 photographs).
McGill, Inc., plastic base/metal hinge, 3-hole punch (2 photographs).
Day Runner, Inc. Pro.TM. holepunch. (2 photographs).
Day Runner, Inc. No. 043-112, 6-hole holepunch (2 photographs).
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