DEVELOPER TRANSFER ELEMENT, DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGING DEVICE Russian patent published in 2021 - IPC G03G15/08 G03G21/18 

FIELD: electrophotography.

SUBSTANCE: invention relates to an electrophotographic imaging device. The developer transferring element includes a rotational shaft and an elastic layer formed on the outer circumferential surface of the rotary shaft, and the developer is transferred on the surface of the elastic layer, while the elastic layer is made so that the load per unit area of ​​the contact area between one surface of the flat glass plate and the said surface of the elastic layer must be 5.8 N/mm² or more in a state in which said one surface of the flat glass plate is parallel to the axial direction of the rotary shaft and said one surface of the flat glass plate comes into contact with said surface of the elastic layer with a predetermined degree of penetration, and at the same time the average roughness Rzjis at ten points on the said surface of the elastic layer is greater than the volume average diameter of the developer particles.

EFFECT: technical result is to suppress the occurrence of image blur without compromising the convenience of the user with stable obtaining of a satisfactory image quality.

27 cl, 15 dwg, 7 tbl