Door opening and closing unit to control door rotating speed...

Details Door opening and closing unit to control door rotating speed... Door opening and closing unit to control door rotating speed...

2011-01-04

2011-01-04

Redman, Jerry (Department: 3634)

Photocopying

Projection printing and copying cameras

Detailed holder for original

C399S377000, C399S379000, C399S380000, C358S497000, C358S498000

Reexamination Certificate

active

07864300

ABSTRACT:
A door opening and closing unit is provided for an image forming apparatus. The image forming apparatus includes a main body, and a door rotatably mounted on the main body. The door opening and closing unit includes a door speed control unit coupling the door to the main body that includes a coupling boss; and a guide groove that engages the coupling boss and along which the coupling boss moves as the door rotates relative to the main body; wherein the door speed control unit controls a frictional force between the coupling boss and the guide groove according to a rotating angle of the door relative to the main body to control a rotating speed of the door as the door rotates relative to the main body.

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Extended European Search Report, mailed Nov. 23, 2009, in corresponding European Application No. 08150733.7 (6 pp.).

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