About: http://webisa.webdatacommons.org/98221012

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 top plate 13 and base plate 14, made from a material such as sheet metal, are generally rectangularly shaped and are secured to the front channel member 12, as shown, by a suitable method as by welding.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com