公开(公告)号：US4177757A

公开(公告)日：1979-12-11

申请号：US863438

申请日：1977-12-22

Applicant: Syuzi Murakawa ,  Toshirou Kasamura ,  Yujiro Ando

Inventor： Syuzi Murakawa ,  Toshirou Kasamura ,  Yujiro Ando

IPC: G03G15/09 ,  G03G13/09

CPC classification number: G03G15/09

Abstract: In a device for developing electrostatic images with developer mix including magnetic carrier particles and triboelectrically charged toner particles which comprises a container for the developer mix, magnetic field producing means and an applicator enclosing the magnetic field producing means, a magnetic brush forming means is provided in the container for applying toner particles substantially uniformly to a surface to be developed, and a toner powder-cloud forming means is provided in spaced apart relationship with the magnetic brush forming means for applying toner particles to the same surface by the use of the edge effect of the toner powder.

Abstract translation: 在用包括磁性载体颗粒和摩擦带电调色剂颗粒的显影剂混合物显影静电图像的装置中，其包括用于显影剂混合物的容器，磁场产生装置和包围磁场产生装置的涂布器，磁刷形成装置设置在 用于将调色剂颗粒基本均匀地施加到待显影表面的容器和调色剂粉 - 云形成装置以与磁刷形成装置间隔开的关系设置，用于通过使用边缘效应将调色剂颗粒施加到同一表面 的调色剂粉末。