Patent ID: 6038416
Filing Date: 2000-03-14
Classification: G03G

Abstract:
A developing apparatus having a housing main body, a toner supply roller for supplying toner in the form of fine coloring powder bodies accommodated in said housing main body, and an opening portion provided in said housing main body; anda toner bearing body unit for forming said toner supplied from said toner roller into a toner layer, said toner layer to be applied to a latent image holding means on which an electrostatic latent image is to be developed, wherein said toner bearing body unit is constituted as one body, including:a cylindrical toner bearing body on a support shaft for receiving and holding toner supplied from said toner supply roller on an outer peripheral surface thereof;bearing members slidingly engaging in the opening portion of said housing main body and rotatably supporting said toner bearing body support shaft;a toner layer thickness regulating member for charging said toner by pressing the toner on said outer peripheral surface of said toner bearing body so as to form a toner thin layer on said toner bearing body; anda holding member for holding said toner bearing body and said toner layer thickness regulating member, said holding member being securable to said housing main body.