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发明公开
CN103807360A 齿轮传动装置以及使用其的图像形成装置 有权

齿轮传动装置以及使用其的图像形成装置
摘要：
本发明涉及齿轮传动装置及图像形成装置。齿轮传动装置组合由配设在框架(20)单侧的驱动电机(30)驱动的驱动外齿轮(32)和由该驱动外齿轮驱动的被驱动内齿轮(36)。被驱动内齿轮(36)设有在内周面形成内齿部(36e)的外侧圆筒部(36a)，在该外侧圆筒部(36a)的内侧形成同心状的内侧圆筒部(36b)，形成在该内侧圆筒部的中心的轴孔部(36c)，连结外侧圆筒部(36a)、内侧圆筒部(36b)、轴孔部(36c)的轴向单侧端的端板部(36d)，在端板部(36d)的相反侧形成在外侧圆筒部(36a)和内侧圆筒部(36b)之间的环状开口部。提供在被驱动齿轮与驱动电机的回转轴的外齿轮啮合的齿轮传动装置中，能更确实且有效地抑制来自该被驱动齿轮的噪音/振动的扩散的齿轮传动装置。
摘要（英）：

A gear transmission device includes a first external gear driven by a drive motor attached to a first side of a frame and a first internal gear driven by the first external gear. The first internal gear includes an outer cylinder portion, an end plate, an annular opening, and an inner cylinder portion including a shaft hole,. The outer cylinder portion includes internal teeth formed on an inner circumferential surface thereof. The inner cylinder portion is formed concentrically inside the outer cylinder portion. The end plate connects the outer cylinder portion, the inner cylinder portion, and the shaft hole at one end in an axial direction. In a state in which the annular opening faces a second side of the frame opposite the first side thereof, the first external gear is inserted to the annular opening to mesh with the internal teeth of the outer cylinder portion.

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