Freshly mixed concrete - emission opening breech operating mechanism of tobaketsuto and the like

摘要

Problem to be solved: to provide a discharge operation easily and simply by the upper and lower sides of the operation rod without hooking the hook or the like.The operation rod (5) is swung in the direction outside the bucket by operating the opening and closing portions (2a, 2b) by operating the opening and closing portions (2a, 2b) by raising the operating rod (3) up and down by the principle of the frame attaching part (4), and the operation rod is lowered and the opening / closing part opens Prevent.