About: http://webisa.webdatacommons.org/13666444

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	When the ground engaging unit encounters an obstacle such as a rock or stump, theshank is pivoted upward and away from the obstacle by a break-away or breakout mechanism to thereby prevent damage to the ground opening tool.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com