| 摘要 |
PROBLEM TO BE SOLVED: To provide a husking fan which can form a light-weight and firm side board, reduce manufacturing costs of the entire fan and extend life of use. SOLUTION: A plurality of blades 19 are arranged between a pair of side boards 17 and 18, and both end edges of each of the blades 19 are fixed to both the side boards 17 and 18 with a plurality of screws 44 and 45. The both side boards 17 and 18 are formed by metal such as aluminum alloy. A position for screwing the screw 44 at least on the side of rotation center of each of the blades 19 is provided slanted to the side opposite to a husking face 19a of the blade 19.
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