| 摘要 |
In the present invention, provided is a reduction gear device including a first shaft formed to be able to rotate in a housing; a first gear which is formed in the middle of the first shaft and in which a clutch protrusion is formed in one surface; a clutch member which is formed in the lateral side of the first gear, rotates with the first shaft, and forms a clutch groove in a shape corresponding to the clutch protrusion on one surface facing the first gear such that the first gear rotates along with the clutch member; a clutch spring which is formed in order for the clutch member to be supported and provides elastic force pushing the clutch member toward the first gear; and a second shaft which is formed in the lateral side of the first shaft, with which a second gear is connected to be able to rotate by interlocking with the first shaft and is formed in a shape having a constant reduction gear ratio to a rotation speed of the first shaft. |
