About: http://webisa.webdatacommons.org/411339458

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The connecting means includes arm members 17 and 18 which may be pivoted with respect to each other around a suitable fastening means such as a nut and bolt 19 asshown in FIGS. 1 and 2.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com