Fixing device and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsYasunori ISHIGAYA, Kazuya SAITO, Keitaro SHOJI, Toshihiko SHIMOKAWA, Hiromasa TAKAGI
Life of this patent
Estimating the term…
Abstract
A fixing device includes a fixing rotator being rotatable and a heater to heat the fixing rotator. The heater includes a tube, a heat generator, disposed inside the tube, to generate heat, and a sealing portion, disposed at each lateral end of the tube in a longitudinal direction of the heater, to seal the tube. The sealing portion includes an inboard edge. A reflector reflects heat radiated from the heater toward the fixing rotator. The reflector includes an outboard edge being disposed inboard from the inboard edge of the sealing portion in an axial direction of the fixing rotator.
Claims18
A fixing device comprising:
- a fixing rotator being rotatable;
- a heater to heat the fixing rotator,
- the heater including:
- a tube;
- a heat generator, disposed inside the tube, to generate heat;
- and
- a sealing portion, disposed at each lateral end of the tube in a longitudinal direction of the heater, to seal the tube, the sealing portion including an inboard edge;
- and
- a reflector to reflect heat radiated from the heater toward the fixing rotator, the reflector including an outboard edge being disposed inboard from the inboard edge of the sealing portion in an axial direction of the fixing rotator.
An image forming apparatus comprising:
- an image forming device to form a toner image;
- and
- a fixing device disposed downstream from the image forming device in a recording medium conveyance direction to fix the toner image on a recording medium,
- the fixing device including:
- a fixing rotator being rotatable;
- a heater to heat the fixing rotator,
- the heater including:
- a tube;
- a heat generator, disposed inside the tube, to generate heat, and
- a sealing portion, disposed at each lateral end of the tube in a longitudinal direction of the heater, to seal the tube, the sealing portion including an inboard edge;
- and
- a reflector to reflect heat radiated from the heater toward the fixing rotator, the reflector including an outboard edge being disposed inboard from the inboard edge of the sealing portion in an axial direction of the fixing rotator.
Dependencies are inferred from the claim text.