Binder device releasably engaging aperture or notch of sheet – Sheet retainer with separate aperture making device
Patent
1994-05-11
1995-04-25
Fridie, Willmon
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with separate aperture making device
402 4, 30123, B42F 300
Patent
active
054093198
ABSTRACT:
The invention is a notebook insert with a housing having a first rigid substantially flat plate having a first set of a number of spaced holes formed therethrough a first side thereof, the first set of holes being adapted for engagement with the rings of a ringed notebook. The housing further has a second set of a number of spaced holes formed therethrough a second side thereof. The housing further includes an opening in a central portion thereof. A number of spaced hinges are located on a side edge of the central portion defined by the opening. A second rigid plate has a first side hingedly connected via the spaced hinges to the first rigid plate. The second plate has a shape substantially matching the shape of the central opening so when the second rigid plate is in a stowed position it may be supported within 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 holepunching capability when paper is inserted between the first plate and the second plate. Thus, the holepunch capability may be utilized without a need for removing the notebook insert from a binder it may be attached to.
REFERENCES:
patent: 3975105 (1976-08-01), Cline
patent: 4729688 (1988-03-01), Manz
patent: 5050736 (1991-10-01), Bedol
patent: 5209592 (1993-05-01), Bedol
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-holepunch (2 photographs).
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