| 摘要 |
<p>PROBLEM TO BE SOLVED: To readily achieve the management of production, conveyance and storage, to absorb the backlash of a gear in a driving motor and to prevent the rotation or stop angle of a group of right and left wind direction plates from getting out of order by assembling a bush and a rod without protruding from an outlet port and dividing the rod into two for easy assembly. SOLUTION: A first engaging piece 5b and a second engaging piece 5c are provided above an outlet port 5. A support plate 11 having an engaging part 11b and a tapped hole 11c corresponding thereto is provided. A bush 9 is rotatably supported by the through hole 11a of the support plate 11. The support shafts of a group of right and left wind direction plates are fitted to the axial hole of the bush. A rod 13 divided into two is linked with a driving motor through a drive link engaging with an urging means. The engaging part is engaged with the first engaging piece and a screw inserted through the attaching hole of the second engaging piece is threadedly engaged with the tapped hole so as to fix the support plated. The bush and the rod are housed in a part between the upper surface of the outlet port and the support plate.</p> |
