[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.insaan.cz\/bez-protahovaciho-trnu-byste-nezamykali-dvere-patentnim-zamkem\/#Article","mainEntityOfPage":"https:\/\/www.insaan.cz\/bez-protahovaciho-trnu-byste-nezamykali-dvere-patentnim-zamkem\/","headline":"Bez protahovac\u00edho trnu byste nezamykali dve\u0159e patentn\u00edm z\u00e1mkem","name":"Bez protahovac\u00edho trnu byste nezamykali dve\u0159e patentn\u00edm z\u00e1mkem","description":"Je docela pravd\u011bpodobn\u00e9, \u017ee pr\u00e1v\u011b vy budete v\u011bd\u011bt, jak vypad\u00e1 star\u00fd dozick\u00fd z\u00e1mek. Ano, je to ten mohutn\u00fd","datePublished":"2025-01-24","dateModified":"2025-01-24","author":{"@type":"Person","@id":"https:\/\/www.insaan.cz\/author\/#Person","name":"","url":"https:\/\/www.insaan.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/91b1fc57487c55a66a7777af0dd690bf69c571b4a9b15cda0db8854a78b7888c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/91b1fc57487c55a66a7777af0dd690bf69c571b4a9b15cda0db8854a78b7888c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"insaan.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.insaan.cz\/wp-content\/uploads\/door-handle-625942_640_1.jpg","url":"https:\/\/www.insaan.cz\/wp-content\/uploads\/door-handle-625942_640_1.jpg","height":0,"width":0},"url":"https:\/\/www.insaan.cz\/bez-protahovaciho-trnu-byste-nezamykali-dvere-patentnim-zamkem\/","about":["Produkty"],"wordCount":411,"articleBody":"        Je docela pravd\u011bpodobn\u00e9, \u017ee pr\u00e1v\u011b vy budete v\u011bd\u011bt, jak vypad\u00e1 star\u00fd dozick\u00fd z\u00e1mek. Ano, je to ten mohutn\u00fd zabezpe\u010dovac\u00ed syst\u00e9m s masivn\u00edm kl\u00ed\u010dem, kter\u00fd byl v pr\u016fb\u011bhu \u010dasu postupn\u011b nahrazov\u00e1n z\u00e1mky s cylindrickou vlo\u017ekou. Zat\u00edmco \u0161ikovn\u00fd zlod\u011bj dok\u00e1\u017ee dozick\u00fd z\u00e1mek p\u0159ekonat i bez kl\u00ed\u010de b\u011bhem p\u016fl minuty, cylindrick\u00e1 vlo\u017eka bezpe\u010dnostn\u00edho z\u00e1mku je ji\u017e velkou p\u0159ek\u00e1\u017ekou a nen\u00ed tak snadn\u00e9 takov\u00e9 dve\u0159e otev\u0159\u00edt. A te\u010f si p\u0159edstavte, kdybychom cylindrick\u00e9 vlo\u017eky neznali a st\u00e1le pou\u017e\u00edvali dozick\u00e9 z\u00e1mky, zlod\u011bji by tak mohli vykr\u00e1dat byty jako na b\u011b\u017e\u00edc\u00edm p\u00e1su. Na druhou stranu je toto tak\u00e9 d\u016fvod k zamy\u0161len\u00ed nad t\u00edm, v jak\u00e9m stavu je sou\u010dasn\u00e1 civilizace, proto\u017ee kdyby lid\u00e9 nekradli, nebyly by zapot\u0159eb\u00ed \u017e\u00e1dn\u00e9 dve\u0159n\u00ed z\u00e1mky. To by ale byl podn\u011bt na jin\u00fd \u010dl\u00e1nek, my se nyn\u00ed zam\u011b\u0159\u00edme na to, jak se vlastn\u011b cylindrick\u00e9 vlo\u017eky vyr\u00e1b\u00ed. Kdybychom se pr\u00e1v\u011b v\u00e1s na ulici n\u00e1hodn\u011b zeptali, jak byste vyrobili otvor v cylindrick\u00e9 vlo\u017ece patentn\u00edho dve\u0159n\u00edho z\u00e1mku, jak byste odpov\u00eddali? Pro \u010dlov\u011bka, kter\u00fd nen\u00ed stroja\u0159 a tuto problematiku neovl\u00e1d\u00e1, to m\u016f\u017ee b\u00fdt velmi z\u00e1ludn\u00e1 ot\u00e1zka, proto\u017ee si r\u00e1zem uv\u011bdom\u00edte, \u017ee otvor nen\u00ed kulat\u00fd, a \u017ee v\u00e1m na to nebude sta\u010dit vrt\u00e1k. Nav\u00edc je otvor velmi mal\u00fd a jin\u00fdm n\u00e1strojem se do tak mal\u00e9ho otvoru nedostanete. Co s t\u00edm?Napov\u00edme v\u00e1m, k v\u00fdrob\u011b otvor\u016f v cylindrick\u00fdch vlo\u017ek\u00e1ch se vyu\u017e\u00edvaj\u00ed protahovac\u00ed trny \u010cSN 221810 I-nastroje. Jsou to speci\u00e1ln\u00ed n\u00e1stroje, kter\u00e9 se protahuj\u00ed skrze p\u0159edvrtan\u00fd otvor a postupn\u011b ukrajuj\u00ed t\u0159\u00edsku a\u017e do fin\u00e1ln\u00edho tvaru. Protahov\u00e1k je opat\u0159en sadou zub\u016f a ka\u017ed\u00fd z nich ukroj\u00ed mal\u00fd kousek materi\u00e1lu, a\u017e ten posledn\u00ed zub dokon\u010d\u00ed fin\u00e1ln\u00ed operaci do po\u017eadovan\u00e9 podoby. Protahovac\u00edmi trny se zhotovuj\u00ed slo\u017eit\u00e9 vnit\u0159n\u00ed otvory, kter\u00e9 nelze vyrobit jin\u00fdm zp\u016fsobem, tak\u017ee nap\u0159\u00edklad jde o tvar hv\u011bzdy, p\u016flm\u011bs\u00edce, koso\u010dtverce atd. Protahov\u00e1ky jsou tak\u00e9 velmi drah\u00e9 n\u00e1stroje a aby se vyplatily, mus\u00ed j\u00edt o velkos\u00e9riovou v\u00fdrobu.                                                                                                                                                                                                                                                                                                                                                                                           4.6\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bez protahovac\u00edho trnu byste nezamykali dve\u0159e patentn\u00edm z\u00e1mkem","item":"https:\/\/www.insaan.cz\/bez-protahovaciho-trnu-byste-nezamykali-dvere-patentnim-zamkem\/#breadcrumbitem"}]}]