| 摘要 |
The present invention relates to a clutch structure controlled by change of direction, which is a driving gear protruded from the center of the plane of the driving disc, and provides a fixed cover with a set or a plurality of sets of curved lower restricted grooves at the bottom section of the axle gear, and the bottom of the driven gear disc is set to exactly fit the fixed cover gear, and it further works with the upper and lower limit groove in the interior and the engaged driven flywheel so that when each driven flywheel is rotated by the driving gear of the driving disc in the positive direction, the driven flywheel moves and drives the driven gear to circumrotate. When the driving disc rotates in the reverse direction, it will move away from the driven flywheel and run idly, which will stagnate the driven gear disc in order to attain the clutch effect of the driven gear by the control of rotations in positive and reverse directions of the driving disc.
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