About: http://webisa.webdatacommons.org/151670958

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	An apparatus as defined in claim 4 wherein the biasing means is a weight forwardly projecting from a portion of the stopper which portion is away from the center of the rotation toward the other end.7.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com