About: http://webisa.webdatacommons.org/3606452

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	A system as claimed in claim 1 wherein said braking surface is a collar configured for fixed attachment about said base.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com