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EP0423441B1 - Hook lock - Google Patents

Hook lock Download PDF

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Publication number
EP0423441B1
EP0423441B1 EP19900114245 EP90114245A EP0423441B1 EP 0423441 B1 EP0423441 B1 EP 0423441B1 EP 19900114245 EP19900114245 EP 19900114245 EP 90114245 A EP90114245 A EP 90114245A EP 0423441 B1 EP0423441 B1 EP 0423441B1
Authority
EP
European Patent Office
Prior art keywords
component part
bearing member
closure
bearing element
locking bracket
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.)
Expired - Lifetime
Application number
EP19900114245
Other languages
German (de)
French (fr)
Other versions
EP0423441A3 (en
EP0423441A2 (en
Inventor
Arthur Klotz
Rudolf Leipelt
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.)
Mann and Hummel GmbH
Original Assignee
Filterwerk Mann and Hummel GmbH
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 Filterwerk Mann and Hummel GmbH filed Critical Filterwerk Mann and Hummel GmbH
Priority to AT90114245T priority Critical patent/ATE99377T1/en
Publication of EP0423441A2 publication Critical patent/EP0423441A2/en
Publication of EP0423441A3 publication Critical patent/EP0423441A3/en
Application granted granted Critical
Publication of EP0423441B1 publication Critical patent/EP0423441B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/10—Hook fastenings; Fastenings in which a link engages a fixed hook-like member
    • E05C19/12—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis
    • E05C19/14—Hook fastenings; Fastenings in which a link engages a fixed hook-like member pivotally mounted around an axis with toggle action
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/38—Plastic latch parts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/53—Mounting and attachment
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/61—Spring devices
    • 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
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0911—Hooked end
    • Y10T292/0913—Sliding and swinging
    • Y10T292/0914—Operating means
    • Y10T292/0917—Lever

Definitions

  • the invention relates to a turnbuckle according to the preamble of the main claim.
  • Tension locks in different designs are known. These latches have the task of releasably connecting two components to one another, for example attaching an air filter cover to an air filter housing, so that maintenance of the air filter is possible in a few simple steps.
  • the invention is therefore based on the object of providing a toggle fastener which is simple to manufacture and can be assembled without great effort, reliable operation of the toggle closure having to be ensured.
  • a major advantage of the invention is that the bearing element is designed as a spring element so that it can absorb the clamping forces for connecting the individual components. As a result, the sealing school can be made rigid and is thus considerably easier.
  • the locking bracket is manufactured as an injection molded plastic part.
  • Such a part is very inexpensive to manufacture and can have an optically good design.
  • a further embodiment of the innovation proposes the inclusion for the Intermediate joint on the locking bracket to perform as a snap connection.
  • FIG. 1 the clean air hood 10 of an air filter housing is shown, which is to be attached with a raw air housing 11, which is also only partially shown.
  • An air filter insert 12 is located in this unfiltered air housing.
  • a seal 13 is provided between the unfiltered air housing 11 and the clean air hood 10, for the airtight sealing of the two parts.
  • a tension lock 23 for releasably connecting the housing and the hood is arranged with a bearing element 18 on retaining tabs 17 of the hood.
  • the retaining tabs 17 are designed so that the bearing element 18 can be inserted in the direction of the unfiltered air housing 11.
  • a barb 24 on the bearing element 18 causes the bearing element to be held securely on the hood 10.
  • the bearing element 18 consists of a spring plate and is provided at its free end with an eye for receiving an intermediate joint 19.
  • the intermediate joint 19 is a wire bracket on which a locking bracket 20 is snapped in via a snap-in opening 21.
  • the closure bracket 20 is a plastic injection molded part which is hook-shaped on its head part 22 and can grip over a retaining lug 16 of the unfiltered air housing 11.
  • Figure 2 shows the closed position of the turnbuckle.
  • the head part 22 of the locking bracket 20 abuts the unfiltered air housing 11 and causes the unfiltered air housing 11 to be pressed against the clean air hood 10.
  • the clean air hood 10 is provided with a sealing shoulder 14 which, in conjunction with the edge 15, serves to provide a fixed connection between the clean air hood and the unfiltered air housing Form stop, so that the seal 13 is not subjected to excessive holding forces and thereby excessive deformation occurs.
  • the snap connection between the locking bracket 20 and the intermediate joint 19 allows both a simple assembly of the parts and a simple replacement of the locking bracket 20.
  • the top view according to FIG. 3 shows the design of the bearing element 18, which is located between the holding tabs 17.
  • the intermediate joint 19 is shown on the bearing element 18.
  • the locking bracket has been omitted for better illustration.
  • the closure bracket 20 shown in FIG. 4, which is shown here in the bottom view, has a central web on its underside, which contains the snap-in opening 21.
  • Two outer webs 26, 27 are also provided with slots 28, 29 for fixing the position of the intermediate joint 19 (not shown here).
  • the webs 26, 27 also contain guide lugs 30, 31, which prevent the locking bracket 20 from moving laterally on the intermediate joint 19.
  • Reinforcing ribs 32 are arranged on the head part 22 of the locking bracket 20 and can be provided in greater or lesser numbers depending on the load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Superstructure Of Vehicle (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Pivots And Pivotal Connections (AREA)

Description

Die Erfindung betrifft einen Spannverschluß gemäß dem Oberbegriff des Hauptanspruchs. Es sind Spannverschlüsse in unterschiedlichen Ausführungen bekannt. Diese Spannverschlüsse haben die Aufgabe, zwei Bauteile miteinanden lösbar zu verbinden, beispielsweise einen Luftfilterdeckel an ein Luftfiltergehäuse zu befestigen, so daß eine Wartung des Luftfilters mit wenigen Handgriffen möglich ist.The invention relates to a turnbuckle according to the preamble of the main claim. Tension locks in different designs are known. These latches have the task of releasably connecting two components to one another, for example attaching an air filter cover to an air filter housing, so that maintenance of the air filter is possible in a few simple steps.

In der DE-OS 35 36 157 ist ein Spannverschluß, der aus Drahtmaterial hergestellt ist, beschrieben. Die Fertigung der einzelnen Drahtelemente erfordert einen nicht unerheblichen Aufwand. Für den Zusammenbau der einzelnen Teile sind spezielle Vorrichtungen erforderlich.In DE-OS 35 36 157 a latch, which is made of wire material is described. The production of the individual wire elements requires a considerable amount of effort. Special devices are required to assemble the individual parts.

Der Erfindung liegt deshalb die Aufgabe zugrunde, einen Spannverschluß zu schaffen, der einfach in der Herstellung ist und ohne größeren Aufwand zusammengebaut werden kann, wobei ein zuverlässiges Funktionieren des Spannverschluß gewährleistet sein muß.The invention is therefore based on the object of providing a toggle fastener which is simple to manufacture and can be assembled without great effort, reliable operation of the toggle closure having to be ensured.

Diese Aufgabe wird ausgehend von dem Oberbegriff des Hauptanspruchs durch dessen kennzeichnenden Merkmale gelöst.This object is achieved on the basis of the preamble of the main claim by its characterizing features.

Ein wesentlicher Vorteil der Erfindung besteht darin, daß das Lagerelement als Federelement so ausgebildet ist, daß es die Spannkräfte, zum Verbinden der einzelnen Bauteile, aufnehmen kann. Dadurch kann die Dichtschuler starr ausgebildet werden und wird somit erheblich einfacher.A major advantage of the invention is that the bearing element is designed as a spring element so that it can absorb the clamping forces for connecting the individual components. As a result, the sealing school can be made rigid and is thus considerably easier.

Bisher war es erforderlich, diesen Verschlußbügel federnd auszubilden, um die Spannkräfte aufzunehmen. Dies führte jedoch dazu, daß spezielle Konstruktionen erforderlich waren um bei einem zum Zweck des Verbindens geschaffenen Element eine gewisse Federfunktion zu erzielen.So far, it has been necessary to make this locking bracket resilient to absorb the clamping forces. However, this meant that special constructions were required in order to achieve a certain spring function in an element created for the purpose of connecting.

Es ist zwar aus der US-PS 34 90 805 ein Spannverschluß bekannt bei welchem der Verschlußbügel nicht als Drahtgebilde sondern als einstückiges Flächengebilde gestaltet ist. Auch dieses muß jedoch in der Lage sein, die Spannkräfte federnd aufzunehmen. Außerdem ist dort zwischen dem Verschlußbügel und dem Lagerelement ein Filmscharnier vorgesehen. Da dieses Filmscharnier die Kräfte auf das Lagerelement übertragen muß, besteht hier die Gefahr, daß schon nach kurzer Zeit dieses Filmscharnier zerstört wird.It is known from US-PS 34 90 805 a snap fastener in which the locking bracket is not designed as a wire structure but as a one-piece flat structure. However, this must also be able to absorb the clamping forces in a resilient manner. In addition, a film hinge is provided there between the locking bracket and the bearing element. Since this film hinge must transmit the forces to the bearing element, there is a risk that this film hinge will be destroyed after a short time.

Der Vorteil der Erfindung besteht daher gegenüber diesem bekannten Stand der Technik darin, daß hier ein robuster Spannverschluß geschaffen ist der eine sehr hohe Lebensdauer aufweist.The advantage of the invention compared to this known prior art is that a robust tension lock is created which has a very long service life.

Gemäß einer Weiterbildung der Erfindung wird vorgeschlagen, den Verschlußbügel als ein Kunststoffspritzgußteil herzustellen. Ein solches Teil ist sehr preisgünstig in der Herstellung und kann eine optisch gute Gestaltung aufweisen. Zur Vereinfachung der Montage wird in einer weiteren Ausgestalung der Neuerung vorgeschlagen, die Aufnahme für das Zwischengelenk an dem Verschlußbügel als eine Schnappverbindung auszuführen.According to a development of the invention, it is proposed to manufacture the locking bracket as an injection molded plastic part. Such a part is very inexpensive to manufacture and can have an optically good design. To simplify the assembly, a further embodiment of the innovation proposes the inclusion for the Intermediate joint on the locking bracket to perform as a snap connection.

Weitere vorteilhafte Ausgestaltungen sind in der Beschreibung und in Unteransprüchen enthalten.Further advantageous refinements are contained in the description and in the subclaims.

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels näher erläutert. Es zeigt

Figur 1
einen Spannverschluß in offener Stellung,
Figur 2
der Spannverschluß gemäß Fig. 1 in geschlossener Stellung,
Figur 3
ein Draufsicht auf das Lagerelemt des Spannverschlußes,
Figur 4
eine Unteransicht auf den Verschlußbügel.
The invention is explained in more detail below using an exemplary embodiment. It shows
Figure 1
a latch in the open position,
Figure 2
1 in the closed position,
Figure 3
a plan view of the bearing element of the latch,
Figure 4
a bottom view of the locking bracket.

In Figur 1 ist die Reinlufthaube 10 eines Luftfiltergehäuses dargestellt, die mit einem Rohluftgehäuse 11, das ebenfalls nur teilweise dargestellt ist, befestigt werden soll. In diesem Rohluftgehäuse befindet sich ein Luftfiltereinsatz 12. Zwischen Rohluftgehäuse 11 und Reinlufthaube 10 ist eine Dichtung 13 zum luftdichten Verschließen der beiden Teile vorgesehen.In Figure 1, the clean air hood 10 of an air filter housing is shown, which is to be attached with a raw air housing 11, which is also only partially shown. An air filter insert 12 is located in this unfiltered air housing. Between the unfiltered air housing 11 and the clean air hood 10, a seal 13 is provided for the airtight sealing of the two parts.

Ein Spannverschluß 23 zum lösbaren Verbinden von Gehäuse und Haube ist mit einem Lagerlement 18 an Haltelaschen 17 der Haube angeordnet. Die Haltelaschen 17 sind dabei so ausgebildet, daß das Lagerelemt 18 in Richtung des Rohluftgehäuses 11 eingeschoben werden kann. Ein Widerhaken 24 an dem Lagerelement 18 bewirkt ein sicheres Halten des Lagerelementes an der Haube 10.A tension lock 23 for releasably connecting the housing and the hood is arranged with a bearing element 18 on retaining tabs 17 of the hood. The retaining tabs 17 are designed so that the bearing element 18 can be inserted in the direction of the unfiltered air housing 11. A barb 24 on the bearing element 18 causes the bearing element to be held securely on the hood 10.

Das Lagerelement 18 besteht aus einem Federblech und ist an seinem freien Ende mit einem Auge zur Aufnahme eines Zwischengelenks 19 versehen.The bearing element 18 consists of a spring plate and is provided at its free end with an eye for receiving an intermediate joint 19.

Das Zwischengelenk 19 ist ein Drahtbügel, an dem ein Verschlußbügel 20 über eine Einschnappöffnung 21 eingerastet ist.The intermediate joint 19 is a wire bracket on which a locking bracket 20 is snapped in via a snap-in opening 21.

Der Verschlußbügel 20 ist ein Kunststoffspritzgußteil, welches an seinem Kopfteil 22 hakenförmig ausgebildet ist und über ein Haltenase 16 des Rohluftgehäuses 11 greifen kann.The closure bracket 20 is a plastic injection molded part which is hook-shaped on its head part 22 and can grip over a retaining lug 16 of the unfiltered air housing 11.

Figur 2 zeigt die Verschlußstellung des Spannverschlußes. Das Kopfteil 22 des Verschlußbügels 20 liegt an dem Rohluftgehäuse 11 an und bewirkt ein Andrücken des Rohluftgehäuses 11 an die Reinlufthaube 10. Die Reinlufthaube 10 ist mit einer Dichtschulter 14 versehen, welche in Verbindung mit dem Rand 15 dazu dient, zwischen Reinlufthaube und Rohluftgehäuse einen festen Anschlag zu bilden, so daß die Dichtung 13 nicht mit zu hohen Haltekräften beaufschlagt wird und dadurch eine zu starke Verformung auftritt.Figure 2 shows the closed position of the turnbuckle. The head part 22 of the locking bracket 20 abuts the unfiltered air housing 11 and causes the unfiltered air housing 11 to be pressed against the clean air hood 10. The clean air hood 10 is provided with a sealing shoulder 14 which, in conjunction with the edge 15, serves to provide a fixed connection between the clean air hood and the unfiltered air housing Form stop, so that the seal 13 is not subjected to excessive holding forces and thereby excessive deformation occurs.

Wie aus dem Vergleich der beiden Figuren 1 und 2 ersichtlich ist, werden die Federkräfte des Spannverschlußes allein durch den freistehenden Schenkel des Lagerelements 18 aufgebracht.As can be seen from the comparison of the two FIGS. 1 and 2, the spring forces of the tension lock are applied solely by the free-standing leg of the bearing element 18.

Durch die Schnappverbindung zwischen dem Verschlußbügel 20 und dem Zwischengelenk 19 ist sowohl ein einfaches Zusammenbauen der Teile als auch ein einfacher Austausch des Verschlußbügels 20 möglich.The snap connection between the locking bracket 20 and the intermediate joint 19 allows both a simple assembly of the parts and a simple replacement of the locking bracket 20.

Die Draufsicht gemäß Figur 3 zeigt die Gestaltung des Lagerelementes 18, welches sich zwischen den Haltelaschen 17 befindet. An dem Lagerelement 18 ist das Zwischengelenk 19 gezeigt. Der Verschlußbügel wurde zur besseren Darstellung weggelassen.The top view according to FIG. 3 shows the design of the bearing element 18, which is located between the holding tabs 17. The intermediate joint 19 is shown on the bearing element 18. The locking bracket has been omitted for better illustration.

Der in Figur 4 gezeigte Verschlußbügel 20, welcher hier in der Unteransicht dargestellt ist, weist an seiner Unterseite einen mittleren Steg auf, welcher die Einschnappöffnung 21 enthält. Zwei äußere Stege 26, 27 sind ebenfalls mit Schlitzen 28, 29 zur Lagefixierung des Zwischengelenks 19 (hier nicht dargestellt) vorgesehen. Die Stege 26, 27 enthalten ferner Führungsnasen 30, 31, welche ein seitliches Verschieben des Verschlußbügels 20 an dem Zwischengelenk 19 verhindern. An dem Kopfteil 22 des Verschlußbügels 20 sind Verstärkungsrippen 32 angeordnet, die hier je nach Belastung in mehr oder minder großer Anzahl vorgesehen werden können.The closure bracket 20 shown in FIG. 4, which is shown here in the bottom view, has a central web on its underside, which contains the snap-in opening 21. Two outer webs 26, 27 are also provided with slots 28, 29 for fixing the position of the intermediate joint 19 (not shown here). The webs 26, 27 also contain guide lugs 30, 31, which prevent the locking bracket 20 from moving laterally on the intermediate joint 19. Reinforcing ribs 32 are arranged on the head part 22 of the locking bracket 20 and can be provided in greater or lesser numbers depending on the load.

BezugszeichenlisteReference symbol list

1010th
ReinlufthaubeClean air hood
1111
RohluftgehäuseRaw air housing
1212
LuftfiltereinsatzAir filter insert
1313
Dichtungpoetry
1414
DichtschulterSealing shoulder
1515
Randedge
1616
HaltenaseHolding nose
1717th
HaltelaschenRetaining tabs
1818th
LagerelementBearing element
1919th
Zwischengelenk
Intermediate joint
2020th
VerschlußbügelLocking bracket
2121
EinschnappöffnungSnap opening
2222
KopfteilHeadboard
2323
SpannverschlußDraw latch
2424th
WiderhakenBarbs
2525th
federnder Bereichspringy area
2626
Stegweb
2727
Stegweb
2828
Schlitzslot
2929
Schlitz
slot
3030th
FührungsnaseLeader
3131
FührungsnaseLeader
3232
VerstärkungsrippenReinforcing ribs

Claims (4)

  1. Tension closure for the detachable connection of two component parts, which closure is secured to the first component part (10) and hooks into the second component part (11), and wherein a bearing member (18) serves for securement to the first component part (10), which bearing member is disposed in a receiving means in the first component part (10) under resilient initial stress, the locking clamp (20) engaging in the second component part (11) and being connected to the bearing member (18) via an intermediate pivot joint (19), characterised in that the bearing member (18) has a resilient region (25), such resilient region (25) producing the tensional forces for the connection of the two component parts (10, 11).
  2. Tension closure of claim 1, characterised in that the resilient region (25) is situated between the region where the bearing member (18) is secured to the first component part (10) and the junction between the bearing member (18) and the intermediate pivot joint (19).
  3. Tension closure according to claim 1 or 2, characterised in that the locking clamp (20) is a plastics material injection moulded component part.
  4. Tension closure according to one of the preceding claims, characterised in that the locking clamp (20) has a snap closure (21) for locking the intermediate pivot joint (19) in position.
EP19900114245 1989-10-18 1990-07-25 Hook lock Expired - Lifetime EP0423441B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90114245T ATE99377T1 (en) 1989-10-18 1990-07-25 HOOK CLOSURE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19893934663 DE3934663C2 (en) 1989-10-18 1989-10-18 Draw latch
DE3934663 1989-10-18

Publications (3)

Publication Number Publication Date
EP0423441A2 EP0423441A2 (en) 1991-04-24
EP0423441A3 EP0423441A3 (en) 1991-07-24
EP0423441B1 true EP0423441B1 (en) 1993-12-29

Family

ID=6391662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900114245 Expired - Lifetime EP0423441B1 (en) 1989-10-18 1990-07-25 Hook lock

Country Status (7)

Country Link
US (1) US5127684A (en)
EP (1) EP0423441B1 (en)
AR (1) AR246232A1 (en)
AT (1) ATE99377T1 (en)
BR (1) BR9005330A (en)
DE (2) DE3934663C2 (en)
MX (1) MX167209B (en)

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AR246232A1 (en) 1994-07-29
EP0423441A3 (en) 1991-07-24
ATE99377T1 (en) 1994-01-15
DE3934663C2 (en) 1994-11-10
EP0423441A2 (en) 1991-04-24
BR9005330A (en) 1991-09-17
US5127684A (en) 1992-07-07
DE3934663A1 (en) 1991-04-25
DE59004024D1 (en) 1994-02-10
MX167209B (en) 1993-03-08

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