| 摘要 |
PROBLEM TO BE SOLVED: To provide a gyrotedder designed to enable arms to be folded compactly even in the case that the hinges of the arms are provided with rotation transmission means such as bevel gear mechanisms or universal axial joints. SOLUTION: This gyrotedder 1 has such a construction that a plurality of arms 3 mutually linked flexibly so as to be folded upward when to be moved or extended left and right when to be operated are provided with a plurality of rotors 9 for collecting grass, the inside of the arms 3 is equipped with a rotating shaft 15 for rotating the rotors 9, and the hinges 14 and 21 of the arms 3 are provided with bevel gear mechanisms 25 for transmitting the rotation of the rotating shaft 15, respectively; wherein the hinge 21 of the arm 3 as the uppermost part when to be moved is provided with an intermediate connective arm 22 to be bridged between the above arm 3 and the adjoining arm 3.
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