{"wikiid":3804,"langid":"en","namespace":"CATEGORY","title":"Inline Skates","revisionid":1154981,"contents_raw":"== Background and Identification ==\n\nInline skates, or roller blades, are a type of roller skate used for inline skating. While quad skates have two front and two rear wheels, inline skates have two, three, four, or five wheels arranged in a single line, hence the 'inline' name. This design allows for greater speed and maneuverability over inline skates\u2019 clunkier cousin, the roller skate. Inline skates are used for recreation, aggressive skating, inline hockey, artistic inline skating, and speed skating.\n\nIn 1849, Louis Legrange invented inline skates as an alternative to ice skates during periods of warm weather. The first pair of inline skates were difficult to turn and impossible to stop by users so the design never became commercially successful. In the late 1890s, \u201croad skates\u201d were developed by D. Napier & Son. These skates included two large wheels on each skate. Ernest Kahlert was granted the first inline skate patent in 1953. Kahlert\u2019s skates were designed to perform like ice skates with individually cushioned wheels. In 1987, Rollerblade developed the first commercially available inline skates.\n\nInline roller skates are composed of a boot, frame, bearings, wheels, and brakes. The boot is worn on the user\u2019s foot, and the boot is connected to a frame that keeps the skate\u2019s wheels in place. Bearings permit the wheels to rotate and rubber or plastic brakes or \u201cstops\u201d allow users to stop on command.\n\n== Additional Information ==\n\n* Wikipedia: [https:\/\/en.wikipedia.org\/wiki\/Inline_skates|Inline Skates]\n* Wikipedia: [https:\/\/en.wikipedia.org\/wiki\/Inline_skating|Inline Skating]\n* [https:\/\/www.rollerblade.com\/usa\/skates\/|Rollerblade USA]","contents_json":{"type":"doc","content":[{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Background and Identification"}]},{"type":"paragraph","content":[{"type":"text","text":"Inline skates, or roller blades, are a type of roller skate used for inline skating. While quad skates have two front and two rear wheels, inline skates have two, three, four, or five wheels arranged in a single line, hence the 'inline' name. This design allows for greater speed and maneuverability over inline skates\u2019 clunkier cousin, the roller skate. Inline skates are used for recreation, aggressive skating, inline hockey, artistic inline skating, and speed skating."}]},{"type":"paragraph","content":[{"type":"text","text":"In 1849, Louis Legrange invented inline skates as an alternative to ice skates during periods of warm weather. The first pair of inline skates were difficult to turn and impossible to stop by users so the design never became commercially successful. In the late 1890s, \u201croad skates\u201d were developed by D. Napier & Son. These skates included two large wheels on each skate. Ernest Kahlert was granted the first inline skate patent in 1953. Kahlert\u2019s skates were designed to perform like ice skates with individually cushioned wheels. In 1987, Rollerblade developed the first commercially available inline skates."}]},{"type":"paragraph","content":[{"type":"text","text":"Inline roller skates are composed of a boot, frame, bearings, wheels, and brakes. The boot is worn on the user\u2019s foot, and the boot is connected to a frame that keeps the skate\u2019s wheels in place. Bearings permit the wheels to rotate and rubber or plastic brakes or \u201cstops\u201d allow users to stop on command."}]},{"type":"heading","attrs":{"level":2},"content":[{"type":"text","text":"Additional Information"}]},{"type":"bulletList","attrs":[],"content":[{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","text":"Wikipedia: "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Inline_skates","target":false}}],"text":"Inline Skates"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","text":"Wikipedia: "},{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/en.wikipedia.org\/wiki\/Inline_skating","target":false}}],"text":"Inline Skating"}]}]},{"type":"listItem","content":[{"type":"paragraph","content":[{"type":"text","marks":[{"type":"link","attrs":{"href":"https:\/\/www.rollerblade.com\/usa\/skates\/","target":false}}],"text":"Rollerblade USA"}]}]}]}]},"contents_rendered":"<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Background_and_Identification\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Background_and_Identification\" class=\"header\">Background and Identification<\/h2><\/div>\n\n<p>Inline skates, or roller blades, are a type of roller skate used for inline skating. While quad skates have two front and two rear wheels, inline skates have two, three, four, or five wheels arranged in a single line, hence the 'inline' name. This design allows for greater speed and maneuverability over inline skates\u2019 clunkier cousin, the roller skate. Inline skates are used for recreation, aggressive skating, inline hockey, artistic inline skating, and speed skating.<\/p>\n\n<p>In 1849, Louis Legrange invented inline skates as an alternative to ice skates during periods of warm weather. The first pair of inline skates were difficult to turn and impossible to stop by users so the design never became commercially successful. In the late 1890s, \u201croad skates\u201d were developed by D. Napier &amp; Son. These skates included two large wheels on each skate. Ernest Kahlert was granted the first inline skate patent in 1953. Kahlert\u2019s skates were designed to perform like ice skates with individually cushioned wheels. In 1987, Rollerblade developed the first commercially available inline skates.<\/p>\n\n<p>Inline roller skates are composed of a boot, frame, bearings, wheels, and brakes. The boot is worn on the user\u2019s foot, and the boot is connected to a frame that keeps the skate\u2019s wheels in place. Bearings permit the wheels to rotate and rubber or plastic brakes or \u201cstops\u201d allow users to stop on command.<\/p>\n\n<div class=\"clearer\"><\/div><div class=\"headerContainer\"><a class=\"selfLink\" href=\"#Section_Additional_Information\" title=\"Link to this section\" aria-hidden=\"true\" tabindex=\"-1\"><span    class=\"fa-svg-icon\"><svg width=\"16\" height=\"16\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" overflow=\"visible\"><!--! Font Awesome Pro 7.3.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license (Commercial License) Copyright 2026 Fonticons, Inc. --><path d=\"M427.5 88c-21.4 0-42.2 6.9-59.3 19.4-11.4-11.7-24.4-22.1-38.4-30.7 27-23.6 61.7-36.7 97.7-36.7 82 0 148.5 66.5 148.5 148.5 0 39.4-15.6 77.1-43.5 105l-79.1 79.1c-27.8 27.8-65.6 43.5-105 43.5-82 0-148.5-66.5-148.5-148.5 0-17.9 3.2-35.5 9.4-51.9 4.6-12.4 18.5-18.7 30.9-14.1S259 220 254.4 232.4c-4.2 11.1-6.4 23-6.4 35.2 0 55.5 45 100.5 100.5 100.5 26.6 0 52.2-10.6 71-29.4l79.1-79.1C517.4 240.6 528 215.1 528 188.5 528 133 483 88 427.5 88zm-200 56c-26.6 0-52.2 10.6-71 29.4L77.4 252.5c-18.8 18.8-29.4 44.4-29.4 71 0 55.5 45 100.5 100.5 100.5 21.4 0 42.2-6.9 59.3-19.4 11.4 11.8 24.4 22.1 38.4 30.7-27 23.6-61.7 36.7-97.7 36.7-82 0-148.5-66.5-148.5-148.5 0-39.4 15.6-77.1 43.5-105l79.1-79.1c27.8-27.8 65.6-43.5 105-43.5 82 0 148.5 66.5 148.5 148.5 0 17.9-3.2 35.5-9.4 51.9-4.6 12.4-18.5 18.7-30.9 14.1S317 292 321.6 279.6c4.2-11.1 6.4-23 6.4-35.1 0-55.5-45-100.5-100.5-100.5z\"\/><\/svg><\/span><\/a><h2 id=\"Section_Additional_Information\" class=\"header\">Additional Information<\/h2><\/div>\n\n<ul><li>Wikipedia: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Inline_skates\">Inline Skates<\/a><\/li><li>Wikipedia: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Inline_skating\">Inline Skating<\/a><\/li><li><a href=\"https:\/\/www.rollerblade.com\/usa\/skates\/\" rel=\"nofollow noopener noreferrer\">Rollerblade USA<\/a><\/li><\/ul>","linked_wikis":[],"can_edit":true,"available_langids":["en","de","es","fr","it","jp","ko","nl","pt","ru","tr","zh"],"ancestors":[{"dataType":"wiki","wikiid":1419,"langid":"en","title":"Sporting Goods","display_title":"Sporting Goods","namespace":"CATEGORY","summary":"Repair information for the gear you use to get out and get active.","url":"https:\/\/www.ifixit.com\/Device\/Sporting_Goods","text":"Repair information for the gear you use to get out and get active.","image":{"id":3083081,"guid":"jFMcZUYjCPv6bGjP","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/jFMcZUYjCPv6bGjP.full"},"modified_date":1781216371,"author":225663},{"dataType":"wiki","wikiid":783,"langid":"en","title":"Household","display_title":"Household","namespace":"CATEGORY","summary":"DIY guides for many household repairs, ranging from furniture to plumbing solutions.","url":"https:\/\/www.ifixit.com\/Device\/Household","text":"DIY guides for many household repairs, ranging from furniture to plumbing solutions.","image":{"id":3076820,"guid":"IbYeQcWW16qkPfWE","mini":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.mini","thumbnail":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.thumbnail","140x105":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.140x105","200x150":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.200x150","standard":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.standard","440x330":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.440x330","medium":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.medium","large":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.large","huge":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.huge","original":"https:\/\/guide-images.cdn.ifixit.com\/igi\/IbYeQcWW16qkPfWE.full"},"modified_date":1792688696,"author":17},{"dataType":"wiki","wikiid":11000,"langid":"en","title":"Root","display_title":"Root","namespace":"CATEGORY","summary":"","url":"https:\/\/www.ifixit.com\/Device\/Root","text":"Repair guides, manuals, and troubleshooting help for Root. 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