<http://webisa.webdatacommons.org/242034892>	<http://www.w3.org/ns/prov#value>	"Elastomeric guard 30 provides some protection against injury that might otherwise be caused by impacting the end of barrel 16 and also, serves as a supporting surface when loading balls or other projectiles into the open front end of barrel 16.Also shown in FIG. 1 is a ball 32 that has been forcibly ejected or pitched from pneumatic device 10." .
<http://webisa.webdatacommons.org/242034892>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/190264475>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/242034892> .
<http://webisa.webdatacommons.org/242034892>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .