Cement injector for underwater stone retaining banks - has distributor head with outlet nozzles on ends of lever arms coupled by link to which motor output crank is connected

摘要

The injector is for delivering cement to an underwater store retaining bank. It includes a distributor head at the lower end of a lowerable arm, the head being swept across the surface of the bank. Lever arms are coupled to the distributor head, the arms being movable parallel to the upper face of the bank. The free ends of the arms carry outlets for the cement. The head pref. includes a drive assembly for the lever arms, these being coupled by a link connected to a motor output crank.