Binder device releasably engaging aperture or notch of sheet – Sheet retainer with separate aperture making device
Reexamination Certificate
2000-07-17
2001-07-17
Fridie, Jr., Willmon (Department: 3722)
Binder device releasably engaging aperture or notch of sheet
Sheet retainer with separate aperture making device
C402S004000, C083S167000
Reexamination Certificate
active
06261020
ABSTRACT:
BACKGROUND OF THE INVENTION
Binders are used by students and professionals to store loose leaf papers and other loose items. The binders typically include a binding mechanism, such as a conventional three ring binder, to bind the papers together. However, many papers, such as hand-outs, photocopies, large or irregular-sized papers, and the like do not have pre-punched holes. In these cases, holes must be punched in the papers using a hole punch mechanism before the papers can be received in the binder. However, a hole punch may not always be readily available, and it can be difficult to predict when a hole punch may be needed. Furthermore, standard hole punches can be quite bulky and heavy, and therefore inconvenient to carry. Accordingly, there is a need for a binder that can form holes into a paper such that the papers can be received in the binding mechanism of the binder.
SUMMARY OF THE INVENTION
The present invention is a binder having a hole punch mechanism. The hole punch is preferably mounted to the cover of the binder, and is configured to punch holes in a piece of paper such that the punched paper can be received in the binding mechanism of the binder. The present invention eliminates the need to carry a separate hole punch, and ensures that a hole punch mechanism is available whenever unpunched papers are desired to be placed into the binder.
In one embodiment, the invention is a binder for receiving and retaining loose leaf papers including a cover, a binding mechanism coupled to the cover, and a hole punch mechanism coupled to the cover. The hole punch mechanism includes a base and a handle movable relative to the base. The handle includes a set of protrusions and the base includes a set of openings aligned with the protrusions such that each protrusion can be received in a corresponding opening to punch a hole in a sheet of paper. The base includes a top portion and a bottom portion forming a cavity therebetween for receiving the punched holes. The top portion is removable to provide access to the cavity, and the holes are formed in the top portion.
Other objects and advantages of the present invention will be apparent from the following description and the accompanying drawings.
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Fridie Jr. Willmon
The Mead Corporation
Thompson Hine & Flory LLP
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