About: http://webisa.webdatacommons.org/358278783

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	Extending between the adjustable load-supporting surface and the stationary member slidably disposed in the channel is a latching mechanism which fixes the position of the adjustable member against movement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com