| 摘要 |
A machine attachment of the type having a plurality of swinging blades and a rotor that rotates about a horizontal axis has a cylindrical tubular rotor with stub shafts and bearings at each end for rotation about the horizontal axis, so that the body of the rotor is a single piece, large diameter tubular section having improved structural stiffness and improved flywheel effect. The blade pivot shaft attachments are mounted directly on the external surface of the tubular rotor and inset mounting pockets allow the blades to swing through the rotor interior.
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