A pivotable protective screen structure which is height-adjustable and forward/backward shiftable. The protective screen structure includes a base body, a protective screen body and two support racks. The base body is formed with a slot passing through the entire base body and two pairs of slide channels...http://www.google.es/patents/US5668612?utm_source=gb-gplus-sharePatente US5668612 - Pivotable protective screen structure which is height-adjustable and forward/backward shiftable
Pivotable protective screen structure which is height-adjustable and forward ...
