| 摘要 |
PURPOSE:To obtain a stable cleaning effect by constituting a cleaning blade of an elastic plate formed by attaching a flexible thin plate to its tip part. CONSTITUTION:The tip of a blade 3 is made to press-contact to the surface of a photosensitive drum 1 by utilizing elasticity and flexibility of an elastic plate 33. A toner To remaining on the surface of the photosensitive drum 1 is scraped down in its lower direction by the tip of the blade 3. In this case, the tip of the blade and the surface of the photosensitive drum 1 are made to friction-contact strongly, but since its part is constituted of a flexible thin plate 31, an early wear of its tip does not occur in the same way substantially as the blade 3 itself consists of a hard material. Also, it does not occur that the toner To goes into the tip of the blade 3. Moreover, since the thin plate 31 is made to press-contact to the surface of the photosensitive drum 1 by utilizing elasticity and flexibility of the elastic plate 33, the tip of the blade 3 is made to press-contact uniformly to the surface of the photosensitive drum 1, and a residual toner To is scraped in a good and stable state. |
