About: http://webisa.webdatacommons.org/284969393

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	Otherwise, the interior space enclosed by the bars 131, 133, 135, and 137 is empty, making the carriage 112 light-weight and easy to maneuver over and around obstructions such as stones and weeds which are taller than the frame.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com