About: http://webisa.webdatacommons.org/362338347

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 pins may comprise bolts, or rivets or other similar fasteners such that while they allow freedom of rotation, they secure the rotating elements together.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com