Books – strips – and leaves – Book or leaf holder
Patent
2000-02-03
2000-10-31
Fridie, Jr., Willmon
Books, strips, and leaves
Book or leaf holder
281 211, 281 28, 281 151, 281 38, 283 36, B42F 900
Patent
active
06139064&
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The invention relates to a document binder having a clamping spring which has a rear and a front leg, can be displaced, transversely to the binder spine, from a document-release position into a document-clamping position and back, and the front leg of which grips through an opening in the binder spine onto a document-clamping strip so as to press the latter against the document in the clamping position.
PRIOR ART
A binder of the abovementioned type is disclosed in German Patent 1 255 631. Like other binders of clamping-spring design, which are disclosed, for example, in EP 0 293 709 B1, it is used for filing documents which do not have holes punched in them. While it has long been the custom, in the case of notebooks and binders for documents which do have holes punched in them, to use index sheets to subdivide filed stacks of documents, the possibility of doing the same in what could be called clamping binders has, until now, been lacking.
SUMMARY OF THE INVENTION
The invention is based on the object of providing a remedy for the deficiency resulting from the abovementioned lack of possibility. According to the invention, this object is achieved, in the case of a binder of the type under consideration, by virtue of the fact that it is provided with an index with a plurality of index sheets which have tabs, are equipped, on their edge facing the binder spine, with a punched-out portion, which comes to lie in the region of the opening for the clamping spring, and with folding strips which are adjacent to the punched-out portion and grip in a hook-like manner behind the clamping strip.
The invention has the advantage of expanding the range of use of the binders in question. The special design of the binder according to the invention ensures that the index sheets are joined to the binder in a long-lasting manner and that the index sheets fit securely in the binder.
Further details and features emerge from the subclaims and the description below of a particularly advantageous embodiment which is illustrated in the attached drawing.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows the front view of a binder,
FIG. 2 shows the front view of an individual index sheet and
FIG. 3 shows, on an enlarged scale, a section along the line III--III in FIG. 1.
WAYS OF IMPLEMENTING THE INVENTION
The binder illustrated in the figures has a front binder cover composed, for the most part, of a transparent plastic sheet 1, and a rear binder cover formed from part of a nontransparent plastic sheet 2. An edge section of the plastic sheet 2 is folded four times and forms the binder spine 3, a covering strip 4 and a clamping strip 5. The transparent plastic sheet 1 is joined to the clamping strip 5 via a weld 6. The front leg 8 of a clamping spring 9, which is preferably made of steel sheet, grips through an opening 7 extending from the binder spine 3 into the region of the covering strip 4, and the rear leg 10 of said clamping spring 9 bears against the rear side of the plastic sheet 2 forming the rear binder cover. The clamping spring 9 can be pushed to and fro, transversely to the binder spine 3, by amounts which are delimited by stops. The stops are formed in this case by a folding crease 11, which forms the transition between the covering strip 4 and the clamping strip 5, and a folding crease 12, the latter crease 12 being assigned a counter-stop comprising an edge strip 13, bent at an acute angle, of the front leg 8 of the clamping spring 9.
In order to make it possible to subdivide the document to be filed in the binder in a manner which takes specific organizational aspects into consideration, the binder is equipped with a plurality of index sheets 14, 15, 16, 17 and 18, of which the index sheets 14-17 have tabs 19, 20, 21 and 22, which are cut in one piece therewith.
As can be seen best with reference to the index sheet 14 in FIG. 2, each of the index sheets is provided, on its edge facing the binder spine 3, with a U-shaped punched-out portion 23. Adjoining the punched-out portion 23, upwards and
REFERENCES:
patent: 4904104 (1990-02-01), Gloeckle
patent: 5226676 (1993-07-01), Su
patent: 5285952 (1994-02-01), Ho
patent: 5765873 (1998-06-01), Chen
patent: 5964480 (1999-10-01), Chen
"Durable" Hunke & Jochheim GmbH & Co. KG
Fridie Jr. Willmon
Stone Mark P.
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