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Disponible en 4 langues." > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-4" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">4 langues</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/K%C3%A4figmutter" title="Käfigmutter – allemand" lang="de" hreflang="de" data-title="Käfigmutter" data-language-autonym="Deutsch" data-language-local-name="allemand" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Cage_nut" title="Cage nut – anglais" lang="en" hreflang="en" data-title="Cage nut" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Korgmutter" title="Korgmutter – norvégien bokmål" lang="nb" hreflang="nb" data-title="Korgmutter" data-language-autonym="Norsk bokmål" data-language-local-name="norvégien bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B5%AE%E5%8A%A8%E8%9E%BA%E6%AF%8D" title="浮动螺母 – chinois" lang="zh" hreflang="zh" data-title="浮动螺母" data-language-autonym="中文" data-language-local-name="chinois" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1795299#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaces de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%C3%89crou_cage" title="Voir le contenu de la page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussion:%C3%89crou_cage&action=edit&redlink=1" rel="discussion" class="new" title="Discussion au sujet de cette page de contenu (page inexistante) [t]" 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data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Outils</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">masquer</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Plus d’options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%C3%89crou_cage"><span>Lire</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89crou_cage&veaction=edit" title="Modifier cette page [v]" accesskey="v"><span>Modifier</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89crou_cage&action=edit" title="Modifier le wikicode de cette page [e]" accesskey="e"><span>Modifier le code</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89crou_cage&action=history"><span>Voir l’historique</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Général </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Sp%C3%A9cial:Pages_li%C3%A9es/%C3%89crou_cage" title="Liste des pages liées qui pointent sur celle-ci [j]" 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sur cette page"><span>Informations sur la page</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Citer&page=%C3%89crou_cage&id=211634159&wpFormIdentifier=titleform" title="Informations sur la manière de citer cette page"><span>Citer cette page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:UrlQ%C4%B1sald%C4%B1c%C4%B1s%C4%B1&url=https%3A%2F%2Ffr.wikipedia.org%2Fw%2Findex.php%3Ftitle%3D%25C3%2589crou_cage%26printable%3Dyes"><span>Obtenir l'URL raccourcie</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:QrKodu&url=https%3A%2F%2Ffr.wikipedia.org%2Fw%2Findex.php%3Ftitle%3D%25C3%2589crou_cage%26printable%3Dyes"><span>Télécharger le code QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimer / exporter </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:Livre&bookcmd=book_creator&referer=%C3%89crou+cage"><span>Créer un livre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Sp%C3%A9cial:DownloadAsPdf&page=%C3%89crou_cage&action=show-download-screen"><span>Télécharger comme PDF</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Dans d’autres projets </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Cage_nuts" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q1795299" title="Lien vers l’élément dans le dépôt de données connecté [g]" accesskey="g"><span>Élément Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Outils de la page"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apparence"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apparence</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">déplacer vers la barre latérale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">masquer</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="cdx-message cdx-message--block cdx-message--warning"><span class="cdx-message__icon"></span><div class="cdx-message__content">La version imprimable n’est plus prise en charge et peut comporter des erreurs de génération. Veuillez mettre à jour les signets de votre navigateur et utiliser à la place la fonction d’impression par défaut de celui-ci.</div></div><div class="mw-content-ltr mw-parser-output" lang="fr" dir="ltr"><div class="bandeau-container metadata bandeau-article bandeau-niveau-ebauche"><div class="bandeau-cell bandeau-icone" style="display:table-cell;padding-right:0.5em"><span class="noviewer" typeof="mw:File"><a href="/wiki/Fichier:AWB_logo_draft.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/AWB_logo_draft.svg/31px-AWB_logo_draft.svg.png" decoding="async" width="31" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/AWB_logo_draft.svg/46px-AWB_logo_draft.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/AWB_logo_draft.svg/61px-AWB_logo_draft.svg.png 2x" data-file-width="128" data-file-height="146" /></a></span></div><div class="bandeau-cell" style="display:table-cell;padding-right:0.5em"> <p><strong class="bandeau-titre">Cet article est une <a href="/wiki/Aide:%C3%89bauche" title="Aide:Ébauche">ébauche</a> concernant les <a href="/wiki/Technique" title="Technique">techniques</a>, les sciences appliquées ou la <a href="/wiki/Technologie" title="Technologie">technologie</a>.</strong> </p><p>Vous pouvez partager vos connaissances en l’améliorant (<b><a href="/wiki/Aide:Comment_modifier_une_page" title="Aide:Comment modifier une page">comment ?</a></b>) selon les recommandations des <a href="/wiki/Projet:Accueil" title="Projet:Accueil">projets correspondants</a>. </p> </div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Kafigmutter.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Kafigmutter.jpg/220px-Kafigmutter.jpg" decoding="async" width="220" height="213" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Kafigmutter.jpg/330px-Kafigmutter.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e2/Kafigmutter.jpg/440px-Kafigmutter.jpg 2x" data-file-width="2628" data-file-height="2540" /></a><figcaption></figcaption></figure> <p>Un <b>écrou cage</b> est un <a href="/wiki/%C3%89crou" title="Écrou">écrou</a> carré emprisonné dans une cage munie sur une face de deux pattes précintrées. C'est un dispositif de <a href="/wiki/Syst%C3%A8me_de_fixation" title="Système de fixation">fixation</a> dans une plaque accessible d'un seul côté. </p> <div class="mw-heading mw-heading2"><h2 id="Fonctionnement_d'un_écrou_cage"><span id="Fonctionnement_d.27un_.C3.A9crou_cage"></span>Fonctionnement d'un écrou cage</h2></div> <p>L'écrou est introduit dans une fente au moins aussi longue que l'écrou, et d'une largeur telle que le serrage emprisonne les bords du trou dans les pattes qui s'écrasent au serrage. Destiné à recevoir une vis travaillant en traction vers le côté accessible, après son premier montage l'écrou reste en place au démontage grâce à l'action de la cage. </p><p>La <a href="/w/index.php?title=R%C3%A9sistance_(m%C3%A9canique)&action=edit&redlink=1" class="new" title="Résistance (mécanique) (page inexistante)">résistance</a> limitée de cette fixation ne permet pas d'exercer d'<a href="/wiki/Force_(physique)" title="Force (physique)">effort</a> notable dans le sens poussant. La cage sert à maintenir l'écrou en place, avec un jeu suffisant pour un assemblage aisé, mais en empêchant sa rotation pour permettre le vissage sans clé : on peut le placer derrière une tôle depuis sa seule face accessible. Il est très utilisé en <a href="/wiki/Industrie_automobile" class="mw-redirect" title="Industrie automobile">industrie automobile</a>, et pour la fixation d'éléments dans des <a href="/wiki/Rack_19_pouces" title="Rack 19 pouces">rack 19 pouces</a>, fréquemment utilisés dans les réseaux télécoms, dans l'industrie informatique et dans l'électrotechnique (contrôle commande). </p> <div class="navbox-container" style="clear:both;"> <table class="navbox collapsible noprint autocollapse" style=""> <tbody><tr><th class="navbox-title" colspan="2" style=""><div style="float:left; width:6em; text-align:left"><div class="noprint plainlinks nowrap tnavbar" style="padding:0; font-size:xx-small; color:var(--color-emphasized, #000000);"><a href="/wiki/Mod%C3%A8le:Palette_%C3%89l%C3%A9ments_de_fixation" title="Modèle:Palette Éléments de fixation"><abbr class="abbr" title="Voir ce modèle.">v</abbr></a> · <a class="external text" href="https://fr.wikipedia.org/w/index.php?title=Mod%C3%A8le:Palette_%C3%89l%C3%A9ments_de_fixation&action=edit"><abbr class="abbr" title="Modifier ce modèle. Merci de prévisualiser avant de sauvegarder.">m</abbr></a></div></div><div style="font-size:110%">Éléments de fixation</div></th> </tr> <tr> <th class="navbox-group" style="width:100px">Avec <a href="/wiki/Pas_de_vis" title="Pas de vis">filetage</a></th> <td class="navbox-list" style=""><div class="liste-horizontale"> <ul><li><a href="/wiki/Boulon" title="Boulon">Boulon</a> <ul><li><a href="/wiki/Boulon_explosif" title="Boulon explosif">Explosif</a></li></ul></li> <li><a href="/w/index.php?title=Bouchon_filet%C3%A9&action=edit&redlink=1" class="new" title="Bouchon fileté (page inexistante)">Bouchon fileté</a></li> <li><a href="/wiki/%C3%89crou" title="Écrou">Écrou</a> <ul><li><a class="mw-selflink selflink">Cage</a></li> <li><a href="/wiki/%C3%89crou_hexagonal" title="Écrou hexagonal">Hexagonale</a></li></ul></li> <li><a href="/wiki/Goujon_(m%C3%A9canique)" title="Goujon (mécanique)">Goujon</a></li> <li><a href="/wiki/Tige_filet%C3%A9e" title="Tige filetée">Tige filetée</a></li> <li><a href="/wiki/Vis_de_fixation" title="Vis de fixation">Vis</a></li></ul> </div></td> </tr> <tr> <th class="navbox-group" style="width:100px">Sans filetage</th> <td class="navbox-list" style=""><div class="liste-horizontale"> <ul><li><a href="/wiki/Clou" title="Clou">Clou</a></li> <li><a href="/wiki/Goupille" title="Goupille">Goupille</a> <ul><li><a href="/wiki/Goupille_%C3%A9lastique" title="Goupille élastique">Élastique</a></li> <li><a href="/wiki/Goupille_de_cisaillement" title="Goupille de cisaillement">De cisaillement</a></li> <li><a href="/wiki/Goupille_b%C3%AAta" title="Goupille bêta">Bêta</a></li></ul></li> <li><a href="/wiki/Rivet" title="Rivet">Rivet</a></li> <li><a href="/wiki/Rondelle_(m%C3%A9canique)" title="Rondelle (mécanique)">Rondelle</a> <ul><li><a href="/wiki/Rondelle_ressort" title="Rondelle ressort">Élastique</a></li> <li><a href="/wiki/Rondelle_fendue" title="Rondelle fendue">Fendue</a></li></ul></li></ul> </div></td> </tr> </tbody></table> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Industrie" title="Portail de la production industrielle"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Industry_Creative_Tail.svg/24px-Industry_Creative_Tail.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Industry_Creative_Tail.svg/36px-Industry_Creative_Tail.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Industry_Creative_Tail.svg/48px-Industry_Creative_Tail.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span></span> <span class="bandeau-portail-texte"><a href="/wiki/Portail:Industrie" title="Portail:Industrie">Portail de la production industrielle</a></span> </span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; 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