About: http://webisa.webdatacommons.org/200354151

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	While a metal has been used for the flat elastic member of the end engaging member 5, an elastic material such as plastic may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com