Importance

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Abstract

An object of the present invention is to provide a rotary motion drive system, which is capable of increasing the efficiency of converting the linear motion into the rotary motion. In the rotary motion drive system of the present invention, a pair of first guides are arranged parallel in a first direction. A pair of second guides are arranged parallel in a second direction perpendicular to the first direction. A first rod is arranged parallel to the first guides, the first rod is capable of keeping parallel to the first guides and moving in the second direction. A second rod is arranged parallel to the second guides, the second rod is capable of keeping parallel to the second guides and moving in the first direction. A moving body is capable of moving on the first rod and the second rod in the first direction and the second direction within a square plane, which is rounded by the first guides and the second guides. A first driving mechanism moves the second rod in the first direction. A second driving mechanism moves the first rod in the second direction. An output shaft is capable of rotating about own axis. A lever rotates the output shaft, one end of the lever is pivotably connected to the moving body, the other end of the lever is pivotably connected to one end of the output shaft, whereby the lever rotates the output shaft when the moving body moves round the output shaft.

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First Claim