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发明授权
US07840171B2 Developing unit having support units to minimize deformation from heat and pressure, and image forming apparatus having the same 有权
具有支撑单元的显影单元以最小化来自热和压力的变形，以及具有该显影单元的图像形成装置

Developing unit having support units to minimize deformation from heat and pressure, and image forming apparatus having the same
摘要：
A developing unit includes a waste toner housing having an upper housing and a lower housing which face each other, at least one support unit to allow connection between the upper and lower housings, and to support facing surfaces of the upper and lower housings, and a toner housing which is disposed on a lower part of the waste toner housing and is spaced apart from the waste toner housing at a predetermined distance. Accordingly, the waste toner housing is prevented from being deformed by heat and pressure, and thus white lines on images, flowback of waste toner and insufficient cleaning, which are caused by interference with the light path due to deformation of the waste toner housing, can be reduced. Additionally, tolerance can be greatly reduced as a result of resolving the problem of deformation of the waste toner housing, so a developing unit having a smaller size can be provided.
摘要（中）：

显影单元包括具有彼此面对的上壳体和下壳体的废调色剂壳体，至少一个支撑单元，以允许上壳体和下壳体之间的连接，并且支撑上壳体和下壳体的相对表面，以及 调色剂壳体设置在废调色剂壳体的下部并且以预定距离与废调色剂壳体间隔开。 因此，防止废色调剂壳体受到热和压力的变形，从而由于由于调色剂外壳的变形而与光路的干涉引起的图像上的白线，废色粉的回流和不充分的清洁，可以 减少 此外，作为解决废粉调色剂壳体变形的问题的结果，公差可以大大降低，因此可以提供具有较小尺寸的显影单元。

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