| 摘要 |
PROBLEM TO BE SOLVED: To set a lifting-lowering height at a large value, and to compactly house an arm or the like in the case of a lifting. SOLUTION: A trashrack rake has a first lifting-lowering arm 4 supported to the driving-side lifting-lowering body 3 of a supporting frame 2 vertically movably, a driving-side lifting-lowering gear 31 rotatbly supported to the body 3 and simultaneously engaged with racks 21 and 41 on the opposed both surfaces of the frame 2 and the frame 4, a following-side lifting-lowering body 5 supported vertically movably along the arm 4, a second lifting-lowering arm 6 supported to the body 5 vertically movably, a following-side lifting-lowering gear 51 rotatably supported to the body 5 and simultaneously engaged with racks 41A and 61 on the opposite both surfaces of the frame 4 and the frame 6, and a lifting-lowering driving means 7 lifting and lowering and driving the body 3 to the frame 2. COPYRIGHT: (C)2003,JPO
|
