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EP0659121A1 - Plastic clip for holding together sheet-like objects - Google Patents

Plastic clip for holding together sheet-like objects

Info

Publication number
EP0659121A1
EP0659121A1 EP93915926A EP93915926A EP0659121A1 EP 0659121 A1 EP0659121 A1 EP 0659121A1 EP 93915926 A EP93915926 A EP 93915926A EP 93915926 A EP93915926 A EP 93915926A EP 0659121 A1 EP0659121 A1 EP 0659121A1
Authority
EP
European Patent Office
Prior art keywords
clamping
spring
clamp
clip
legs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP93915926A
Other languages
German (de)
French (fr)
Inventor
Dieter Schmid
Oliver Schmid
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0659121A1 publication Critical patent/EP0659121A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F1/00—Sheets temporarily attached together without perforating; Means therefor
    • B42F1/02—Paper-clips or like fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/44—Clasp, clip, support-clamp, or required component thereof
    • Y10T24/44291—Clasp, clip, support-clamp, or required component thereof including pivoted gripping member
    • Y10T24/44376—Spring or resiliently biased about pivot
    • Y10T24/44385—Distinct spring
    • Y10T24/44479—Flat or leaf spring

Definitions

  • the invention relates to a clamp made of plastic for clamping sheet-shaped objects, in which the clamping jaws of two articulated clamping levers are clamped against one another along a clamping line by means of spring force.
  • the two clamping levers are penetrated by the cylindrical winding of a torsion spring and are thus rotatably guided.
  • the two spring ends grip the outer surfaces of the jaws with angled webs.
  • clips in accordance with DE-GM 89 12 654 are more suitable because they have clamping levers with elongated clamping jaws. These clamping levers are braced against each other by a molded leaf spring, which creates the problem of generating a sufficiently large clamping force.
  • the invention is therefore based on the object of developing a clamp for the longest possible clamping line, which is easy to operate manually and, on the other hand, generates a clamping force which is sufficiently large, for example, to also be able to securely close open bag packages.
  • the solution to the problem is that the clamp has two bearing points for the clamping levers which are spaced apart from one another parallel to the clamping line and which are each encompassed by a U-shaped spring, the legs of which bear against the The jaws are spring loaded. Due to this arrangement of relatively short U-shaped springs, the possibility is opened. To form brackets of the desired clamping line length, with which a sufficient clamping force is generated and yet a relatively easy handling with manual force is made possible.
  • the clip according to the invention can be used for a wide variety of purposes, for example for clamping
  • the invention is not restricted to the application examples mentioned.
  • the individual bearing point is expedient to form the individual bearing point from a pan-like groove on one clamping lever and from a bead on the other clamping lever which engages in the groove, which are held in their engagement position by the spring legs encompassing them. It proves to be expedient if the individual spring is fixed with its legs on the jaws of the clamp like a snap lock.
  • the individual clamping jaw in the region of each bearing point has a cutout corresponding to the clip length and open opposite to the clamping line, into which the legs of the spring engage. You can therefore press the spring from above into the recess and thus bring about a positive connection of the clamping levers in their bearings.
  • the wall delimiting the recess on the inside beneath the bearing axis advantageously has a strip-shaped projection which is undercut by a bead-like thickening of the leg edge of the spring. This arrangement facilitates the snap-type connection of the clamping levers and enables their releasability.
  • the invention is not limited to the fact that two clamping levers have to be produced individually and connected to one another. It is also possible to connect the clamping levers in the area of the bearing points by injection molding using a thin curved wall section to form a one-piece clamp, whereby it is only advisable to form suitable centering measures between the two legs of the one-piece clamping lever so that when the springs are pushed on a clear clamping position is achieved.
  • 1 is a side view of a clip
  • FIG. 1 is an end view of the clip of FIG. 1,
  • FIG. 3 shows a cross section through the clip along the line III-III according to FIG. 1 (in an enlarged view),
  • Fig. 4 shows a partial cross section through the
  • Fig. 5 shows a cross section through an alternative one-piece bracket.
  • FIG. 1 shows a clip of natural size, for example, as can be used in particular for closing open bags, pouches or the like.
  • the invention is not limited to the size of the bracket shown.
  • the bracket (1) itself consists of two clamping levers (2, 3) made of plastic, which are articulated in the area of two bearing points (8), as can be seen, for example, from FIGS. 3 and 4. However, this connection of the clamping levers (2, 3) is only to be understood as centering on the rotation.
  • the clamp (1) requires the additional arrangement of U-springs (7) in order to connect the clamping levers (2, 3) in a force-locking manner.
  • the clamping jaw (4) of the clamping lever (2) in the area of the bearing points (8) has a pan-like groove (10) into which a bead (11) of the clamping jaw (5) of the other clamping lever (3) engages.
  • a U-shaped spring (7) which can consist of a resilient plastic, with its legs (9) from above over the bearing point (8), i.e. is pushed over the fillet (10) and the bead (11), the clamping force of the legs (9) acts against the walls (13) of the clamping jaws (4,5) and clamp them firmly against each other in the area of the clamping line (6).
  • recesses (12) are provided on the clamping jaws (4,5) which are open at the top and which are delimited on the inside by the walls (13). As particularly shown in Fig. 1, the U-springs (7) can now be easily inserted from above into the recesses (12).
  • the outer sides of the walls (13) have strip-shaped projections (15), which are gripped behind by bead-like thickenings (16) of the legs (9) of the U-spring (7).
  • the shape of the U-spring (7) must therefore be determined so that the bead-like thickening (16) can still pass the strip-shaped projections (15) when the spring (7) is pressed into the recess (12). 3 then the legs (9) of the spring (7) must be biased so far that they exert a sufficient closing pressure on the jaws (4,5).
  • FIG. 5 An example of the invention is shown in the example of FIG. 5, with a one-part bracket 1 'being assumed.
  • the two clamping levers (2, 3) are connected to one another by a curved and weakened wall section (18) which acts like a hinge.

Landscapes

  • Clamps And Clips (AREA)
  • Sheet Holders (AREA)
  • Connection Of Plates (AREA)
  • Advancing Webs (AREA)

Abstract

The invention concerns the design of a plastic clip (1) for holding together sheet-like objects. In order to be able to insert objects into the clip easily by hand along as long a pinch line as possible and so that they are held with as great a force as possible, the invention calls for the two halves (2, 3) of the clip to be hinged to each other by two hinge points (8), disposed a certain distance apart from each other and both parallel to the pinch line (6), each hinge point being surrounded by a U-shaped spring (7) whose arms (9) are braced against the grips (4, 5) of the two halves (2, 3) of the clip.

Description

BESCHREIBUNG DESCRIPTION
Klammer aus Kunststoff zum Einklemmen blattförmigerPlastic clip for clamping leaf-shaped
GegenständeObjects
Die Erfindung bezieht sich auf eine Klammer aus Kunststoff zum Einklemmen von blattförmigen Gegenständen, bei der die Klemmbacken von zwei gelenkig miteinander verbundenen Klemmhebeln mittels Federkraft längs einer Klemmlinie gegeneinander verspannt sind.The invention relates to a clamp made of plastic for clamping sheet-shaped objects, in which the clamping jaws of two articulated clamping levers are clamped against one another along a clamping line by means of spring force.
Bei einer herkömmlichen Wäscheklammer werden die beiden Klemmhebel von der zylindrischen Wicklung einer Torsionsfeder durchgriffen und damit drehbar geführt. Die beiden Federenden greifen mit abgewinkelten Stegen auf die Außenflächen der Klemmbacken. Ein solches System ist ungeeignet, wenn Gegenstände längs einer längeren Klemmlinie eingespannt werden sollen, wie dies beispielsweise beim Verschließen offener Tüten, Behälter und dergleichen der Fall ist.In a conventional clothespin, the two clamping levers are penetrated by the cylindrical winding of a torsion spring and are thus rotatably guided. The two spring ends grip the outer surfaces of the jaws with angled webs. Such a system is unsuitable if objects are to be clamped along a longer clamping line, as is the case, for example, when closing open bags, containers and the like.
Für den letzteren Zweck sind Klammern entsprechend dem DE-GM 89 12 654 besser geeignet, weil sie Klemmhebel mit langgestreckten Klemmbacken besitzen. Diese Klemmhebel werden durch eine angeformte Blattfeder gegeneinander verspannt, was die Problematik mit sich bringt, eine genügend große Klemmkraft zu erzeugen.For the latter purpose, clips in accordance with DE-GM 89 12 654 are more suitable because they have clamping levers with elongated clamping jaws. These clamping levers are braced against each other by a molded leaf spring, which creates the problem of generating a sufficiently large clamping force.
Schließlich ist durch die DE-A 36 23 766 bekannt, aus Kunststoff bestehende Klemmhebel mit den stirnseitigen Enden einer Klammer zu verbinden, welche U-förmig gestaltet ist und aus Federstahl besteht. Mit einer solchen Klammer läßt sich zwar eine große Spannkraft erzeugen, wobei aber die Klemmlinie verhältnismäßig kurz ist. Würde man die Klemmlinie bei dieser bekannten Klammer verlängern wollen.Finally, it is known from DE-A 36 23 766 to connect plastic clamping levers to the front ends of a clamp which is U-shaped and made of spring steel. A large clamping force can be generated with such a clamp, but the clamping line is relatively short. Would you want to extend the clamping line with this known bracket.
ERSATZBLATT was automatisch mit einer Verlängerung der Klammer einhergehen müßte, würde der Widerstand der Feder zum Spreizen der Klammer von Hand zu groß sein.REPLACEMENT LEAF what would automatically go along with an extension of the clip, the resistance of the spring to spread the clip by hand would be too great.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Klammer für eine möglichst lange Klemmlinie zu entwickeln, welche manuell leicht zu betätigen ist und andererseits eine genügend große Spannkraft erzeugt, um beispielsweise auch geöffnete Beutelverpackungen sicher verschließen zu können.The invention is therefore based on the object of developing a clamp for the longest possible clamping line, which is easy to operate manually and, on the other hand, generates a clamping force which is sufficiently large, for example, to also be able to securely close open bag packages.
Ausgehend von der Klammerform des DE-GM 89 12 654 besteht die erfindungsgemäße Lösung der gestellten Aufgabe darin, daß die Klammer zwei parallel zur Klemmlinie voneinander distanzierte Lagerstellen für die Klemmhebel aufweist, welche jeweils von einer U-förmigen Feder umgriffen sind, deren Schenkel gegen die Klemmbacken federnd gespannt sind. Zufolge dieser Anordnung verhältnismäßig kurzer U-förmiger Federn ist die Möglichkeit eröffnet. Klammern von gewünschter Klemmlinienlänge zu bilden, mit denen eine ausreichende Spannkraft erzeugt und dennoch eine verhältnismäßig leichte Handhabung mit Handkraft ermöglicht wird.Based on the clamp shape of DE-GM 89 12 654, the solution to the problem is that the clamp has two bearing points for the clamping levers which are spaced apart from one another parallel to the clamping line and which are each encompassed by a U-shaped spring, the legs of which bear against the The jaws are spring loaded. Due to this arrangement of relatively short U-shaped springs, the possibility is opened. To form brackets of the desired clamping line length, with which a sufficient clamping force is generated and yet a relatively easy handling with manual force is made possible.
Es ist zwar durch die DE-PS 377 467 bekannt, zwei metallische Klemmbacken an zwei voneinander distanzierten Kugeln zu führen und mit einer langen Federhülse gegen die Kugeln zu verspannen. Dadurch wird aber die Aufgabe der Erfindung nicht gelöst, weil die lange Federhülse eine unverhältnismäßig große Spreizkraft erfordert, wenn längs der Klemmlinie eine ausreichende Klemmkraft erzeugt werden soll.It is known from DE-PS 377 467 to guide two metallic clamping jaws on two balls spaced apart from one another and to brace them with a long spring sleeve against the balls. However, this does not achieve the object of the invention because the long spring sleeve requires a disproportionately large spreading force if a sufficient clamping force is to be generated along the clamping line.
Die erfindungsgemäße Klammer kann für die verschiedensten Zwecke eingesetzt werden, beispielsweise zum EinklemmenThe clip according to the invention can be used for a wide variety of purposes, for example for clamping
ERSATZBLATT mehrerer Blätter, zum Festspannen schwerer Gegenstände oder zum Verschließen geöffneter Packungen, Beutel o. dgl. Die Erfindung ist nicht auf die genannten Anwendungsbeispiele beschränkt.REPLACEMENT LEAF several sheets, for clamping heavy objects or for closing opened packages, bags or the like. The invention is not restricted to the application examples mentioned.
Im Rahmen der Unteransprüche sind zahlreiche Ausgestaltungen des Gegenstandes der Erfindung offenbart.Within the scope of the subclaims, numerous configurations of the subject matter of the invention are disclosed.
So ist es beispielsweise zweckmäßig, die einzelne Lagerstelle aus einer pfannenartigen Hohlkehle an dem einen Klemmhebel und aus einem in die Hohlkehle passend eingreifenden Wulst an dem anderen Klemmhebel zu bilden, die in ihrer Eingriffsεtellung durch die sie umgreifenden Federschenkel gehalten sind. Hierbei erweist es sich als zweckmäßig, wenn die einzelne Feder mit ihren Schenkeln an den Klemmbacken der Klammer schnappverschlußartig festgelegt ist.For example, it is expedient to form the individual bearing point from a pan-like groove on one clamping lever and from a bead on the other clamping lever which engages in the groove, which are held in their engagement position by the spring legs encompassing them. It proves to be expedient if the individual spring is fixed with its legs on the jaws of the clamp like a snap lock.
Bei einem vorteilhaften Ausführungsbeispiel der Erfindung weist die einzelne Klemmbacke im Bereich jeder Lagerstelle eine der Klammerlänge entsprechende, entgegengesetzt zur Klemmlinie offene Aussparung auf, in welche die Schenkel der Feder eingreifen. Man kann daher die Feder von oben her in die Aussparung eindrücken und damit eine kraftschlüssige Verbindung der Klemmhebel in ihren Lagerstellen herbeiführen.In an advantageous embodiment of the invention, the individual clamping jaw in the region of each bearing point has a cutout corresponding to the clip length and open opposite to the clamping line, into which the legs of the spring engage. You can therefore press the spring from above into the recess and thus bring about a positive connection of the clamping levers in their bearings.
Vorteilhafterweise besitzt die die Aussparung innenseitig begrenzende Wand unterhalb der Lagerachse einen leistenförmigen Vorsprung, der von einer wulstartigen Verdickung des Schenkelrandes der Feder hintergriffen wird. Durch diese Anordnung wird die schnappverschlußartige Verbindung der Klemmhebel erleichtert und deren Lösbarkeit ermöglicht.The wall delimiting the recess on the inside beneath the bearing axis advantageously has a strip-shaped projection which is undercut by a bead-like thickening of the leg edge of the spring. This arrangement facilitates the snap-type connection of the clamping levers and enables their releasability.
ERSATZBLATT Die Anordnung des an jedem Klemmhebel befindlichen Griffteiles erfolgt zweckmäßigerweiεe zwischen den Lagerstellen, wobei natürlich das Griffteil eine von der Klemmlinie wegstrebende Gestaltung aufweist.REPLACEMENT LEAF The arrangement of the grip part located on each clamping lever is expediently between the bearing points, the grip part naturally having a design that strives away from the clamping line.
Die Erfindung ist aber nicht darauf beschränkt, daß zwei Klemmhebel einzeln hergestellt und mit einander verbunden werden müssen. Es besteht auch die Möglichkeit, die Klemmhebel im Bereich der Lagerstellen durch je einen dünnen gewölbten Wandabschnitt zur Bildung einer einteiligen Klammer miteinander spritztechnisch zu verbinden, wobei es sich lediglich empfiehlt, geeignete Zentrierungsmaßnahmen zwischen beiden Schenkeln des einteiligen Klemmhebels zu bilden, damit beim Aufschieben der Federn eine eindeutige Spannstellung erzielt wird.However, the invention is not limited to the fact that two clamping levers have to be produced individually and connected to one another. It is also possible to connect the clamping levers in the area of the bearing points by injection molding using a thin curved wall section to form a one-piece clamp, whereby it is only advisable to form suitable centering measures between the two legs of the one-piece clamping lever so that when the springs are pushed on a clear clamping position is achieved.
Diese und weitere Merkmale sind in der Zeichnung schematisch und beispielsweise dargestellt. Es zeigenThese and other features are shown schematically and for example in the drawing. Show it
Fig. 1 eine Seitenansicht einer Klammer,1 is a side view of a clip,
Fig. 2 eine Stirnansicht der Klammer gemäß Fig. 1,2 is an end view of the clip of FIG. 1,
Fig. 3 einen Querschnitt durch die Klammer längs der Linie III-III gemäß Fig. 1 (in vergrößerter Darstellung),3 shows a cross section through the clip along the line III-III according to FIG. 1 (in an enlarged view),
Fig. 4 einen Teilquerschnitt durch dieFig. 4 shows a partial cross section through the
Klemmhebel der Klammer im Bereiche ihrer Lagerstelle in geöffneter Lage undClamping lever of the clamp in the area of its bearing position in the open position and
Fig. 5 einen Querschnitt durch eine alternative einteilige Klammer.Fig. 5 shows a cross section through an alternative one-piece bracket.
ERSATZBLÄΓT Die Seitenansicht der Fig. 1 zeigt eine Klammer in beispielsweise natürlicher Größe, wie sie besonders zum Verschließen geöffneter Tüten, Beutel o. dgl. verwendet werden kann. Die Erfindung ist aber nicht auf die gezeigte Größe der Klammer beschränkt.SPARE BLADE The side view of FIG. 1 shows a clip of natural size, for example, as can be used in particular for closing open bags, pouches or the like. However, the invention is not limited to the size of the bracket shown.
Mit (6) ist eine Klemmlinie bezeichnet, deren Länge die Einspannlänge der Klammer (1) wiedergibt. Die Klammer (1) selbst besteht aus zwei Klemmhebeln (2,3) aus Kunststoff, die im Bereiche von zwei Lagerstellen (8) miteinander gelenkig verbunden sind, wie dies beispielsweise aus den Figuren 3 und 4 hervorgeht. Diese Verbindung der Klemmhebel (2,3) ist aber lediglich als Drehzentrierung zu verstehen. Die Klammer (1) bedarf der zusätzlichen Anordnung von U-Federn (7), um die Klemmhebel (2,3) kraftschlüssig miteinander zu verbinden.(6) denotes a clamping line, the length of which reflects the clamping length of the clip (1). The bracket (1) itself consists of two clamping levers (2, 3) made of plastic, which are articulated in the area of two bearing points (8), as can be seen, for example, from FIGS. 3 and 4. However, this connection of the clamping levers (2, 3) is only to be understood as centering on the rotation. The clamp (1) requires the additional arrangement of U-springs (7) in order to connect the clamping levers (2, 3) in a force-locking manner.
Wie sich besonders aus dem Querschnitt gemäß Fig. 3 ergibt, weist die Klemmbacke (4) des Klemmhebels (2) im Bereiche der Lagerstellen (8) eine pfannenartige Hohlkehle (10) auf, in welche ein Wulst (11) der Klemmbacke (5) des anderen Klemmhebels (3) eingreift. Wenn nun eine U-förmige Feder (7), die aus einem federnden Kunststoff bestehen kann, von oben her mit ihren Schenkeln (9) über die Lagerstelle (8), d.h. über die Hohlkehle (10) und den Wulst (11) hinweggeschoben wird, wirkt die Spannkraft der Schenkel (9) gegen die Wände (13) der Klemmbacken (4,5) und verspannen diese im Bereiche der Klemmlinie (6) fest gegeneinander.As can be seen particularly from the cross section according to FIG. 3, the clamping jaw (4) of the clamping lever (2) in the area of the bearing points (8) has a pan-like groove (10) into which a bead (11) of the clamping jaw (5) of the other clamping lever (3) engages. If now a U-shaped spring (7), which can consist of a resilient plastic, with its legs (9) from above over the bearing point (8), i.e. is pushed over the fillet (10) and the bead (11), the clamping force of the legs (9) acts against the walls (13) of the clamping jaws (4,5) and clamp them firmly against each other in the area of the clamping line (6).
Um die U-Feder (7) von oben her in die Lagerstellen (8) einzuschieben, sind an den Klemmbacken (4,5) nach oben offene Aussparungen (12) vorgesehen, die innenseitig von den Wänden (13) begrenzt werden. Wie besonders Fig. 1 zeigt, lassen sich nun die U-Federn (7) leicht von oben her in die Aussparungen (12) einsetzen.In order to insert the U-spring (7) from above into the bearing points (8), recesses (12) are provided on the clamping jaws (4,5) which are open at the top and which are delimited on the inside by the walls (13). As particularly shown in Fig. 1, the U-springs (7) can now be easily inserted from above into the recesses (12).
ERSATZBLATT Die Außenseiten der Wände (13) weisen leistenförmige Vorsprünge (15) auf, welche von wulstartigen Verdickungen (16) der Schenkel (9) der U-Feder (7) hintergriffen werden. Die Formgebung der U-Feder (7) ist demnach so festzulegen, daß die wulstartige Verdickung (16) beim Eindrücken der Feder (7) in die Aussparung (12) noch die leistenförmigen Vorsprünge (15) passieren können. In der Schnappverschlußstellung gemäß Fig. 3 müssen dann die Schenkel (9) der Feder (7) so weit noch vorgespannt sein, daß sie einen ausreichenden Schließdruck auf die Klemmbacken (4,5) ausüben.REPLACEMENT LEAF The outer sides of the walls (13) have strip-shaped projections (15), which are gripped behind by bead-like thickenings (16) of the legs (9) of the U-spring (7). The shape of the U-spring (7) must therefore be determined so that the bead-like thickening (16) can still pass the strip-shaped projections (15) when the spring (7) is pressed into the recess (12). 3 then the legs (9) of the spring (7) must be biased so far that they exert a sufficient closing pressure on the jaws (4,5).
Man hat es nun in der Hand, durch entsprechende Dimensionierung der Federn (7) den jeweils gewünschten Schließdruck der Klammer (1) zu erzeugen. Wesentlich ist, daß die Lagerachse (14) der einzelnen Lagerstelle (8) von oben her durch den Steg der Feder (7) umgriffen ist.It is now in your hand to generate the required closing pressure of the clamp (1) by dimensioning the springs (7) accordingly. It is essential that the bearing axis (14) of the individual bearing point (8) is gripped from above by the web of the spring (7).
Es ist leicht einzusehen, daß die Feder (7) aus ihrer Spannstellung durch geeignete Werkzeuge, welche die Federschenkel (9) untergreifen, leicht gelöst werden kann.It is easy to see that the spring (7) can be easily released from its tensioned position by suitable tools which reach under the spring legs (9).
Im Beispiel der Fig. 5 ist eine Alternative der Erfindung dargestellt, wobei von einer einteiligen Klammer 1' ausgegangen wird. Anstelle der in Fig. 3 gezeigten Lagerstelle (8) sind die beiden Klemmhebel (2,3) durch einen gewölbten und geschwächten Wandabschnitt (18) miteinander verbunden, der wie ein Scharnier wirkt. Auch hier braucht man lediglich die U-förmige Feder (7) von oben her aufzuclipsen, um eine wirksame Klammer zu bilden.An example of the invention is shown in the example of FIG. 5, with a one-part bracket 1 'being assumed. Instead of the bearing point (8) shown in FIG. 3, the two clamping levers (2, 3) are connected to one another by a curved and weakened wall section (18) which acts like a hinge. Here too you only need to clip on the U-shaped spring (7) from above to form an effective clamp.
ERSATZBLATT REPLACEMENT LEAF
ERSATZBLATT REPLACEMENT LEAF

Claims

PATENTANSPRÜCHE PATENT CLAIMS
1. Klammer aus Kunststoff zum Einklemmen von blattförmigen Gegenständen, bei der die Klemmbacken von zwei gelenkig miteinander verbundenen Klemmhebeln mittels Federkraft längs einer Klemmlinie gegeneinander verspannt sind, dadurch g e k e n n z e i c h n e t, daß die Klammer (1) zwei parallel zur Klemmlinie (6) voneinander distanzierte Lagerstellen (8) für die Klemmhebel (2,3) aufweist, welche jeweils von einer U-förmigen Feder (7) umgriffen sind, deren Schenkel (9) gegen die Klemmbacken (4,5) federnd gespannt sind.1.Clamp made of plastic for clamping sheet-like objects, in which the clamping jaws of two articulated clamping levers are clamped against one another by means of spring force along a clamping line, characterized in that the clamp (1) has two bearing points spaced apart from one another parallel to the clamping line (6). 8) for the clamping levers (2, 3), each of which is encompassed by a U-shaped spring (7), the legs (9) of which are resiliently tensioned against the clamping jaws (4, 5).
2. Klammer nach Anspruch 1, dadurch g e k e n n z e i c h n e t, daß die einzelne Lagerstelle (8) aus einer pfannenartigen Hohlkehle (10) an dem einen Klemmhebel (2) und aus einem in die Hohlkehle (10) passend eingreifenden Wulst (11) an dem anderen Klemmhebel (3) besteht, die in ihrer Eingriffsstellung durch die sie umgreifenden Federschenkel (9) gehalten sind.2. Clamp according to claim 1, characterized in that the individual bearing point (8) from a pan-like groove (10) on the one clamping lever (2) and from a groove in the groove (10) engaging bead (11) on the other clamping lever (3), which are held in their engaged position by the spring legs (9) which surround them.
3. Klammer nach Anspruch 1 oder 2, dadurch g e k e n n z e i c h n e t, daß die einzelne Feder (7) mit ihren Schenkeln (9) an den Klemmbacken (4,5) der Klammer (1) schnappverschlußartig festgelegt ist.3. Clip according to claim 1 or 2, characterized in that the individual spring (7) with its legs (9) on the jaws (4, 5) of the clip (1) is fixed in a snap-lock manner.
4. Klammer nach Anspruch 1 oder einem der folgenden, dadurch g e k e n n z e i c h n e t, daß die einzelne Klemmbacke (4,5) im Bereich jeder Lagerstelle (8) eine der Klammerlänge entsprechende, entgegengesetzt zur Klemmlinie (6) offene Aussparung (12) aufweist, in welche die Schenkel (9) der Feder (7) eingreifen.4. Clamp according to claim 1 or one of the following, characterized in that the individual clamping jaw (4, 5) in the region of each bearing point (8) has a recess (12) corresponding to the clamp length and opposite to the clamping line (6), into which engage the legs (9) of the spring (7).
ERSATZBLATT REPLACEMENT LEAF
5. Klammer nach Anspruch 3 und 4, dadurch g e k e n n z e i c h n e t, daß die die Aussparung (12) innenseitig begrenzende Wand (13) unterhalb der Lagerachse (14) einen leistenförmigen Vorsprung (15) aufweist, der von einer wulstartigen Verdickung (16) des Schenkelrandes der Feder (7) hintergriffen wird.5. Clamp according to claim 3 and 4, characterized in that the recess (12) inside the wall (13) below the bearing axis (14) has a strip-shaped projection (15) from a bead-like thickening (16) of the leg edge of the Spring (7) is engaged.
6. Klammer nach Anspruch 1 oder einem der folgenden, dadurch g e k e n n z e i c h n e t, daß der Griffteil (17) des einzelnen Klemmhebels (2,3) zwischen den Lagerstellen (8) von der Klemmlinie (6) wegstrebend angeordnet ist.6. Clip according to claim 1 or one of the following, characterized g e k e n n z e i c h n e t that the handle part (17) of the individual clamping lever (2,3) between the bearing points (8) of the clamping line (6) is arranged striving away.
7. Klammer nach Anspruch 1 oder einem der folgenden, dadurch g e k e n n z e i c h n e t, daß die Klemmhebel (2,3) im Bereich der Lagerstellen (8) durch je einen dünnen gewölbten Wandabschnitt (18) zur Bildung einer einteiligen Klammer (1*) miteinander spritztechnisch verbunden sind.7. Clamp according to claim 1 or one of the following, characterized in that the clamping lever (2,3) in the region of the bearing points (8) by a thin curved wall section (18) to form a one-piece bracket (1 *) connected to one another by injection molding are.
ERSATZBLATT REPLACEMENT LEAF
EP93915926A 1992-12-11 1993-07-16 Plastic clip for holding together sheet-like objects Pending EP0659121A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9216896U DE9216896U1 (en) 1992-12-11 1992-12-11 Plastic clip for clamping sheet-shaped objects
DE9216896U 1992-12-11
PCT/EP1993/001867 WO1994013494A1 (en) 1992-12-11 1993-07-16 Plastic clip for holding together sheet-like objects

Publications (1)

Publication Number Publication Date
EP0659121A1 true EP0659121A1 (en) 1995-06-28

Family

ID=6887032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93915926A Pending EP0659121A1 (en) 1992-12-11 1993-07-16 Plastic clip for holding together sheet-like objects

Country Status (5)

Country Link
US (1) US5621955A (en)
EP (1) EP0659121A1 (en)
JP (1) JPH08504375A (en)
DE (1) DE9216896U1 (en)
WO (1) WO1994013494A1 (en)

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Also Published As

Publication number Publication date
WO1994013494A1 (en) 1994-06-23
US5621955A (en) 1997-04-22
JPH08504375A (en) 1996-05-14
DE9216896U1 (en) 1993-09-02

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