| 摘要 |
A machine for the repair and/or maintenance of floors comprises a motor connected to rotate at least one rotary tool via a drive shaft substantially orthogonal to the tool. The tool is attached to the drive shaft by a disk connected at its external periphery to the tool, and at its center to the drive shaft, which permits relative inclination of the axis of rotation of the tool with respect to the drive shaft. The drive disk is made from a material which is supple perpendicularly to its plane but which is rigid, i.e., resistant to torque, in its plane. The drive disk is mounted between the tool and the drive shaft so as to form radially at least one undulation about the axis of the tool when the machine rests on the tool and when the axis of the tool is coaxial with that of the drive shaft.
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