Image forming apparatus for supplying power to members of a rota

Details Image forming apparatus for supplying power to members of a rota Image forming apparatus for supplying power to members of a rota

1996-09-23

1998-06-02

Grimley, Arthur T.

Electrophotography

Machine operation

Electrical connection

399227, G03G 1500, G03G 1501

Patent

active

057615764

ABSTRACT:
An image forming apparatus of the type having a rotary developing device or revolver, and a power supply device. When the revolver is rotated to bring one of its developing sections to a developing position, the end of a developing roller disposed in the developing section faces a bracket mounted on a rear wall included in the apparatus body. A retractable rod-like terminal is mounted on the bracket and constantly biased by a spring. A bias for development is applied from a bias circuit to the developing roller via the retractable terminal.

REFERENCES:
patent: 4713673 (1987-12-01), Kessoku
patent: 4975744 (1990-12-01), Ebata et al.
patent: 5130751 (1992-07-01), Sato et al.
patent: 5552877 (1996-09-01), Ishikawa et al.

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