{"id":869,"date":"2026-06-29T15:43:35","date_gmt":"2026-06-29T15:43:35","guid":{"rendered":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/kinematics-of-bennetts-spherical-8-bar-linkage-and-its-generalizations\/"},"modified":"2026-06-29T15:43:35","modified_gmt":"2026-06-29T15:43:35","slug":"kinematics-of-bennetts-spherical-8-bar-linkage-and-its-generalizations","status":"publish","type":"post","link":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/en\/kinematics-of-bennetts-spherical-8-bar-linkage-and-its-generalizations\/","title":{"rendered":"Kinematics of Bennett&#039;s spherical 8-bar linkage and its generalizations"},"content":{"rendered":"<p><em>Hellmuth Stachel<\/em><br \/><small>Vienna University of Technology, Wien<\/small><\/p>\n<p>The spherical image of Bricard's flexible octahedron of type 3 has first been studied 1912 by Bennett. It contains eight links and twelve revolute joints and collapses in aligned poses. During the flexion of this overconstrained spherical linkage eight points -- one on each link -- remain aligned. This is the basis for a symmetric placement of the self-motion and for extensions of the linkage.\u00a0 Moreover, it has consequences for the dualized version of Bennett's 8-bar which is the composition of eight Bennett isograms.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hellmuth StachelVienna University of Technology, Wien The spherical image of Bricard&#8217;s flexible octahedron of type 3 has first been studied 1912 by Bennett. It contains eight links and twelve revolute joints and collapses in aligned poses. During the flexion of this overconstrained spherical linkage eight points &#8212; one on each link &#8212; remain aligned. This [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-869","post","type-post","status-publish","format-standard","hentry","category-presentations"],"_links":{"self":[{"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/posts\/869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/users\/30"}],"replies":[{"embeddable":true,"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/comments?post=869"}],"version-history":[{"count":0,"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/posts\/869\/revisions"}],"wp:attachment":[{"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/media?parent=869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/categories?post=869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.pf.jcu.cz\/~csgg2026\/index.php\/wp-json\/wp\/v2\/tags?post=869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}