Development apparatus
US4406535A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1981 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Oct 28, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y15/00
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A development apparatus for developing a latent electrostatic image formed on a latent electrostatic image bearing member to a visible image, having a development sleeve for transporting a developer to the latent electrostatic image for developing the same to a visible image, and a developer layer thickness regulating device for regulating the thickness of a developer layer on the development sleeve, in which development apparatus, the developer layer thickness regulation device comprises a pressure application member for applying pressure to the developer layer on the development sleeve by the magnetic force exerted on the pressure application member towards said developer transportation means, the pressure application member being supported so as to be movable in the direction substantially normal to the surface of the development sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.