Fixing device having a separation plate
AssigneeRicoh Company, Ltd.
InventorsMasahiko Satoh, Naoki Iwaya
Life of this patent
Estimating the term…
Abstract
A fixing device includes i) two surface moving bodies, at least one of which is driven so that the surface moving bodies come in contact with each other and a nip is formed and ii) a heat source configured to heat at least one of the surface moving bodies. A transfer medium is put in the nip so that the toner image is heat-fixed on the transfer medium. A separation plate is provided and is configured to remove the transfer medium. Rise of temperature of a head end part, at a side of the surface moving body, of the separation plate is given priority over rise of temperature of other parts of the separation plate.
Claims9
A fixing device configured to fix a toner image on a transfer medium, comprising:
- a separation plate configured to remove the transfer medium from a surface moving body, the separation plate including:
- a guide part configured to guide the transfer medium;
- and
- a head end part,
- wherein a plurality of notch parts are provided in the guide part;
- and
- wherein one of the notch parts in a center part of the guide part has a width greater than a width of one of the notch parts in an end part of the guide part.
A fixing device configured to fix a toner image on a transfer medium, comprising:
- a separation plate configured to remove the transfer medium from a surface moving body, the separation plate including:
- a guide part configured to guide the transfer medium;
- and
- a head end part,
- wherein a notch part is provided in the guide part;
- and
- a vapor receiving part is provided inside the notch part.
A fixing device configured to fix a toner image on a transfer medium, comprising:
- a separation plate configured to remove the transfer medium from a surface moving body, the separation plate including:
- a guide part configured to guide the transfer medium:
- and
- a head end part provided in the guide part via a heat insulating material,
- wherein the head end part is thinner than the guide part.
A fixing device configured to fix a toner image on a transfer medium, comprising:
- a separation plate configured to remove the transfer medium from a surface moving body, the separation plate including:
- a guide part configured to guide the transfer medium;
- and
- a head end part,
- wherein a plurality of openings are provided in the guide part;
- and
- wherein one of the openings in a center part of the guide part has a width greater than a width of one of the openings in an end part of the guide plate.
Dependencies are inferred from the claim text.