About: http://webisa.webdatacommons.org/318853086

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 device according to claim 5, including spring means biasing said rod towards said hole so that a positive lifting force is required to remove the rod from the hole to release the plate.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com