{"id":5457,"date":"2019-10-30T08:00:33","date_gmt":"2019-10-30T07:00:33","guid":{"rendered":"https:\/\/www.welovecycling.com\/hu\/?p=5457"},"modified":"2019-10-28T14:52:29","modified_gmt":"2019-10-28T13:52:29","slug":"a-fekrendszerek-rovid-eredettortenete","status":"publish","type":"post","link":"https:\/\/www.welovecycling.com\/hu\/kozosseg-es-kultura\/a-fekrendszerek-rovid-eredettortenete\/","title":{"rendered":"A f\u00e9krendszerek r\u00f6vid eredett\u00f6rt\u00e9nete"},"content":{"rendered":"<p><strong>M\u00e1r a hajdanok hajdan\u00e1n elengedhetetlen felt\u00e9tele volt a bicikliz\u00e9snek a meg\u00e1ll\u00e1slehet\u0151s\u00e9ge. Az els\u0151 \u00fatt\u00f6r\u0151 pr\u00f3b\u00e1lkoz\u00e1sok kimer\u00fcltek a cip\u0151vel val\u00f3 f\u00e9kez\u00e9sben, azonban a ker\u00e9kp\u00e1rok evol\u00faci\u00f3ja sor\u00e1n megjelen\u0151 ped\u00e1l \u00e9s l\u00e1nc a f\u00e9krendszerek feltartathatatlan fejl\u0151d\u00e9s\u00e9t jelentette. Tudod mi el\u0151zte meg azt a simul\u00e9kony f\u00e9krendszert, ami manaps\u00e1g rendszeresen megmenti az \u00e9let\u00fcnket?<\/strong><\/p>\n<p><!--more--><\/p>\n<p>Ahogy a ker\u00e9kp\u00e1rok egyre jobban felgyorsultak magasabb lett az ig\u00e9ny arra, hogy hat\u00e9konyan lehessen kontroll\u00e1lni a sebess\u00e9g\u00fcket. Az \u00fan. \u201eLaufmachine\u201d feltal\u00e1l\u00f3ja, Karl Drais, egy olyan speci\u00e1lis sarokkal rendelkez\u0151 cip\u0151t tervezett, amit a h\u00e1ts\u00f3 ker\u00e9khez \u00e9rintve, lef\u00e9kezhett\u00fck a biciklinket. Ez az \u00f6tlet 200 \u00e9vvel ezel\u0151tt ker\u00fclt bemutat\u00e1sra. A k\u00f6vetkez\u0151 ker\u00e9kp\u00e1r-t\u00edpus, a<em> csontt\u00f6r\u0151 <\/em>m\u00e1r rendelkezett egy nyeles szerkezettel, amit a korm\u00e1nyra szerelt karral lehetett m\u0171k\u00f6d\u00e9sbe hozni. Ez a f\u00e9k egy, \u00e1ltal\u00e1ban b\u0151rb\u0151l vagy f\u00e9mb\u0151l k\u00e9sz\u00fclt t\u00f6m\u00edt\u00e9st jelentett, amit a karral r\u00e1nyomhattunk a ker\u00e9kre. Ameddig a kerekek t\u00f6m\u00f6r gumib\u00f3l k\u00e9sz\u00fcltek, addig nem s\u00e9r\u00fcltek meg, a f\u00e9krendszer j\u00f3l m\u0171k\u00f6d\u00f6tt. A nyilv\u00e1nval\u00f3 h\u00e1tr\u00e1nyok ellen\u00e9re ez a fajta f\u00e9k feln\u0151ttbicikliken a 30-as, gyerekbring\u00e1kon pedig eg\u00e9szen az 50-es \u00e9vekig megtal\u00e1lhat\u00f3 volt.<\/p>\n<figure id=\"attachment_5458\" aria-describedby=\"caption-attachment-5458\" style=\"width: 640px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/640px-Bicycle_spoon_brake_variation.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5458 size-full\" src=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/640px-Bicycle_spoon_brake_variation.jpg\" alt=\"\" width=\"640\" height=\"480\" srcset=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/640px-Bicycle_spoon_brake_variation.jpg 640w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/640px-Bicycle_spoon_brake_variation-300x225.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><figcaption id=\"caption-attachment-5458\" class=\"wp-caption-text\">Batavus Museum in Heerenveen, Hollandia<\/figcaption><\/figure>\n<p>A m\u00e1sik lehet\u0151s\u00e9g a kerekekkel egy\u00fctt forg\u00f3 ped\u00e1lok elleni k\u00fczdelem felv\u00e9tele volt. \u00c9vtizedekig a kontr\u00e1z\u00e1s \u00e9s az eml\u00edtett kan\u00e1lf\u00e9k volt a sebess\u00e9gcs\u00f6kkent\u00e9s f\u0151 eszk\u00f6ze, kiv\u00e1lt a velocip\u00e9d modellek eset\u00e9ben. N\u00e9h\u00e1ny biciklis kiz\u00e1r\u00f3lag a kontr\u00e1z\u00e1sra hagyatkozott \u00e9s ink\u00e1bb lesz\u00e1llt a biciklir\u0151l egy meredek lejt\u0151 el\u0151tt, a bring\u00e1s fenegyerekek viszont felcsapt\u00e1k a l\u00e1bukat a vill\u00e1ra, hogy ne akadjanak bele a ped\u00e1lokba \u00e9s az els\u0151 f\u00e9kre hagyatkozva gurultak lefel\u00e9. Ebb\u0151l persze el\u00e9g sokszor lett s\u00e9r\u00fcl\u00e9s.<\/p>\n<p>1887-ben az angol Browett \u00e9s Harrison szabadalmaztatta a f\u00e9knyereg egy korai verzi\u00f3j\u00e1t, ami egy gumib\u00f3l k\u00e9sz\u00fclt szerkezetet nyomott a h\u00e1ts\u00f3 ker\u00e9khez, de csak sok id\u0151 m\u00falva teljesedett ki \u00e9s vette \u00e1t a kor\u00e1bbi megold\u00e1sok hely\u00e9t az \u00f6tlet. Az egyforma els\u0151 \u00e9s h\u00e1ts\u00f3 kerekekkel rendelkez\u0151 biciklik megjelen\u00e9se mag\u00e1val hozta a l\u00e9gt\u00f6ml\u0151s abroncsokat a Dunlop Tyre Company j\u00f3volt\u00e1b\u00f3l, \u00e9s ezzel minden megv\u00e1ltozott. A kan\u00e1lf\u00e9k elavultt\u00e1 v\u00e1lt, mivel roncsolta az \u00faj t\u00edpus\u00fa gumik felsz\u00edn\u00e9t. Ez\u00e9rt j\u00f6ttek k\u00e9pbe m\u00e1s megold\u00e1sok, mint p\u00e9ld\u00e1ul Duck f\u00e9krendszere, ami gumib\u00f3l k\u00e9sz\u00fclt szerkezetet szor\u00edtott az els\u0151 kerekekhez, vagy a h\u00e1ts\u00f3 kontraf\u00e9k, ami manaps\u00e1g rengeteg gyerekbringa tartoz\u00e9ka.<\/p>\n<figure id=\"attachment_5459\" aria-describedby=\"caption-attachment-5459\" style=\"width: 1250px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5459 size-full\" src=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024.jpg\" alt=\"\" width=\"1250\" height=\"952\" srcset=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024.jpg 1250w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024-300x228.jpg 300w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024-768x585.jpg 768w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/profimedia-0068196024-1024x780.jpg 1024w\" sizes=\"auto, (max-width: 1250px) 100vw, 1250px\" \/><\/a><figcaption id=\"caption-attachment-5459\" class=\"wp-caption-text\">\u00a9 Profimedia, AFP<\/figcaption><\/figure>\n<p>Az igazi forradalmi \u00faj\u00edt\u00e1s azonban a k\u00f6nny\u0171, el\u00e9g hat\u00e9kony, \u00e9s olcs\u00f3 abroncsf\u00e9k lett. A m\u0171k\u00f6d\u00e9se persze kev\u00e9sb\u00e9 volt leny\u0171g\u00f6z\u0151, amint elkezdett esni az es\u0151 \u00e9s az abroncsok vizesek lettek. A hat\u00e9konys\u00e1ga m\u00e9g tov\u00e1bb romlott, ha az abroncs egy k\u00fcls\u0151 hat\u00e1sra egyenetlenn\u00e9 v\u00e1lt. R\u00e1ad\u00e1sul a koszt is \u00f6sszegy\u0171jt\u00f6tt\u00e9k, ami az eg\u00e9sz rendszert t\u00f6nkretette. \u00c9s m\u00e9gis, olcs\u00f3s\u00e1guk miatt sz\u00e9les k\u00f6rben elterjedtek, k\u00f6nny\u0171 s\u00falyuk miatt pedig a versenyz\u00e9sben is nagy n\u00e9pszer\u0171s\u00e9gre tettek szert.<\/p>\n<p>Sz\u00e1mos \u00faj\u00edt\u00e1s \u00e9s \u00fajragondolt szerkezet l\u00e1tott m\u00e9g napvil\u00e1got a k\u00e9s\u0151bbiekben, t\u00f6bbek k\u00f6z\u00f6tt a f\u00e9knyergek k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpusai vagy a cantilever f\u00e9kek, amik nagy sikert arattak a montik megjelen\u00e9sekor, azonban hamar el is buktak, a nehez\u00e9n jav\u00edt\u00e1suk miatt. Az evol\u00faci\u00f3 k\u00f6vetkez\u0151 \u00e1llom\u00e1sa a V-f\u00e9kek voltak. Ezek szint\u00e9n igen olcs\u00f3k voltak, \u00e9s ugyanannyira rosszul m\u0171k\u00f6dtek. A hidraulikus abroncsf\u00e9k lett a legjobb, \u00e1m a legdr\u00e1g\u00e1bb \u00e9s legnehezebb megold\u00e1s az abroncsf\u00e9kek k\u00f6r\u00e9ben.<\/p>\n<figure id=\"attachment_5460\" aria-describedby=\"caption-attachment-5460\" style=\"width: 1250px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5460\" src=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764.jpg\" alt=\"\" width=\"1250\" height=\"833\" srcset=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764.jpg 1250w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764-300x200.jpg 300w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764-768x512.jpg 768w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764-1024x682.jpg 1024w, https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Disc-Brakes-profimedia-0411109764-272x182.jpg 272w\" sizes=\"auto, (max-width: 1250px) 100vw, 1250px\" \/><\/a><figcaption id=\"caption-attachment-5460\" class=\"wp-caption-text\">\u00a9 Predrag Zdravkovic \/ Alamy \/ Alamy \/ Profimedia<\/figcaption><\/figure>\n<p>Az els\u0151 t\u00e1rcsaf\u00e9k el\u0151sz\u00f6r a motorbiciklik f\u00e9krendszer\u00e9nek egy r\u00e9szek\u00e9nt jelentek meg \u00e9s fokozaton lettek egyre kisebbek \u00e9s k\u00f6nnyebbek. Tartalmazott egy f\u00e9mlemezt, forg\u00f3lap\u00e1tot, egy f\u00e9knyerget, \u00e9s egy vill\u00e1t. Ezek a f\u00e9kek a rossz id\u0151ben is megb\u00edzhat\u00f3 teljes\u00edtm\u00e9nyt ny\u00fajtottak: \u00e1llt\u00e1k a sarat. De a vizet \u00e9s a t\u00f6rmel\u00e9ket is. H\u00e1tr\u00e1nyuk ink\u00e1bb a villa fel\u00e9p\u00edt\u00e9s\u00e9b\u0151l ad\u00f3dott, de minden negat\u00edvum elt\u00f6rp\u00fclt a megb\u00edzhat\u00f3s\u00e1ga \u00e9s biztons\u00e1ga mellett. A hidraulikus f\u00e9kek bebizony\u00edtott\u00e1k, hogy sokkal jobbak mechanikus t\u00e1rsaikn\u00e1l. Miut\u00e1n a montisok is \u00e1tvett\u00e9k \u0151ket, sz\u00e9pen bek\u00fasztak az ipar minden ter\u00fclet\u00e9re, m\u00e9g az orsz\u00e1g\u00fatisokhoz is, b\u00e1r eset\u00fckben m\u00e9g mindig igen megoszt\u00f3ak. Mivel azonban egyre ink\u00e1bb terjednek a t\u00e1rcsaf\u00e9kek, agg\u00f3dva tekinthet\u00fcnk a tradicion\u00e1lis f\u00e9kek j\u00f6v\u0151je fel\u00e9. Egyet\u00e9rtesz?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1r a hajdanok hajdan\u00e1n elengedhetetlen felt\u00e9tele volt a bicikliz\u00e9snek a meg\u00e1ll\u00e1slehet\u0151s\u00e9ge. Az els\u0151 \u00fatt\u00f6r\u0151 pr\u00f3b\u00e1lkoz\u00e1sok kimer\u00fcltek a cip\u0151vel val\u00f3 f\u00e9kez\u00e9sben, [&hellip;]<\/p>\n","protected":false},"author":71,"featured_media":5462,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"global-categories":[],"class_list":["post-5457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kozosseg-es-kultura"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.3 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A f\u00e9krendszerek r\u00f6vid eredett\u00f6rt\u00e9nete - \u0160koda We Love Cycling - Magyarorsz\u00e1g<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.welovecycling.com\/hu\/kozosseg-es-kultura\/a-fekrendszerek-rovid-eredettortenete\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A f\u00e9krendszerek r\u00f6vid eredett\u00f6rt\u00e9nete\" \/>\n<meta property=\"og:description\" content=\"M\u00e1r a hajdanok hajdan\u00e1n elengedhetetlen felt\u00e9tele volt a bicikliz\u00e9snek a meg\u00e1ll\u00e1slehet\u0151s\u00e9ge. Az els\u0151 \u00fatt\u00f6r\u0151 pr\u00f3b\u00e1lkoz\u00e1sok kimer\u00fcltek a cip\u0151vel val\u00f3 f\u00e9kez\u00e9sben, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.welovecycling.com\/hu\/kozosseg-es-kultura\/a-fekrendszerek-rovid-eredettortenete\/\" \/>\n<meta property=\"og:site_name\" content=\"\u0160koda We Love Cycling - Magyarorsz\u00e1g\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/WeLoveCyclingHungary\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-30T07:00:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/d2p6e6u75xmxt8.cloudfront.net\/12\/2019\/10\/Karl-Drais-CVR-profimedia-01473514891.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1366\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hegyizs\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Adam Marsal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.welovecycling.com\/hu\/kozosseg-es-kultura\/a-fekrendszerek-rovid-eredettortenete\/\",\"url\":\"https:\/\/www.welovecycling.com\/hu\/kozosseg-es-kultura\/a-fekrendszerek-rovid-eredettortenete\/\",\"name\":\"A f\u00e9krendszerek r\u00f6vid eredett\u00f6rt\u00e9nete - 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