Fixing apparatus and image forming apparatus having the same

Details Fixing apparatus and image forming apparatus having the same Fixing apparatus and image forming apparatus having the same

2007-03-13

2009-11-17

Tran, Hoan H (Department: 2852)

Electrophotography

Image formation

Fixing

C399S122000

Reexamination Certificate

active

07620356

ABSTRACT:
A sheet conveying apparatus is provided which includes a first rotary member; a second rotary member configured to convey a sheet with the first rotary member and which is separable from and in contact with the first rotary member; a sheet detecting member which is movable by being pressed by the sheet; and a detecting sensor configured to detect a presence or absence of the sheet based on a position of the member. The sheet detecting member is movable between a detecting position for detecting a presence or absence of the sheet by the detecting sensor in which the sheet detecting member can be pressed by the sheet and a retreat position in which the sheet detecting member is retreated from a sheet conveyed, and the sheet detecting member is moved to the detecting position from the retract position in association with a movement of the second rotary member away from the first rotary member.

REFERENCES:
patent: 5365322 (1994-11-01), Hamada et al.
patent: 6647216 (2003-11-01), Tanaka
patent: 7280775 (2007-10-01), Kubochi et al.
patent: 06-175524 (1994-06-01), None

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