About: http://webisa.webdatacommons.org/252150133

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	The device according to claim 8, further including a locking mechanism for selectively locking said cross beam into a set position within said predetermined range of motion. 10.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com