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US 6,522,841 B2Granted
Image forming apparatus having fanning device for delivered sheet materials
AssigneeCanon Kabushiki Kaisha
InventorJun Horikoshi
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes an image forming device for forming images on sheet materials, a delivering device for delivering the sheet materials on which images are formed, a delivery tray for receiving the delivered sheet materials and a fanning device for fanning the sheet materials delivered from the delivering means to the delivery tray. The fanning device can change a blowing amount depending on a sheet material type.
Claims15
An image forming apparatus comprising:
- image forming means for forming images on sheet materials;
- delivering means for delivering the sheet materials on which images are formed;
- a delivery tray for receiving the delivered sheet materials;
- a return delivery means for returning the sheet materials to the image forming means to form images on the other side of the sheet materials, the return delivery means diverging below the delivery means;
- a delivery portion cover forming a part of the apparatus exterior;
- fanning means capable of changing a blowing amount for fanning the sheet materials delivered from the delivering means to the delivery tray, the fanning means disposed between the delivery portion cover and the return delivery means, and having an intake opening which takes in air from outside of the image forming apparatus, a fan orifice disposed between the delivering means and the delivery tray, and a fan duct connecting the intake opening and the fan orifice;
- and
- sheet type detecting means for detecting a type of sheet materials,
- wherein the fanning means changes the blowing amount in accordance with the detected type from the sheet type detecting means.
6 more elements
An image forming apparatus comprising:
- image forming means for forming images on sheet materials;
- a delivery roller pair for delivering the sheet materials on which images are formed by said image forming means;
- a delivery tray for receiving the sheet materials delivered by said delivery roller pair;
- a fan capable of changing a blowing amount for fanning the sheet materials delivered from the delivery roller pair to the delivery tray;
- and
- a sheet type detecting means for detecting a type of the sheet materials,
- wherein said fan changes the blowing amount in accordance with the detected type from the sheet type detecting means.
4 more elements
An image forming apparatus comprising:
- image forming means for forming images on sheet materials;
- delivering means for delivering the sheet materials on which images are formed;
- a delivery tray for receiving the delivered sheet materials;
- fanning means capable of changing a blowing amount for fanning the sheet materials delivered from the delivering means to the delivery tray;
- and
- sheet type detecting means for detecting a type of the sheet materials,
- wherein the fanning means changes the blowing amount in accordance with detected results of the sheet type detecting means.
4 more elements
An image forming apparatus comprising:
- image forming means for forming images on sheet materials;
- delivering means for delivering the sheet materials on which images are formed;
- a delivery tray for receiving the delivered sheet materials;
- fanning means capable of changing a blowing amount for fanning the sheet materials delivered from the delivering means to the delivery tray;
- and
- environment detecting means for detecting an environment condition outside the apparatus, wherein the fanning means changes the blowing amount in accordance with detected results of the environment detecting means.
3 more elements
An image forming apparatus comprising:
- image forming means for forming images on sheet materials;
- delivering means for delivering the sheet materials on which images are formed;
- a delivery tray for receiving the delivered sheet materials;
- fanning means capable of changing a blowing amount for fanning a lower surface of the sheet materials delivered from the delivering means to the delivery tray;
- and
- sheet type detecting means for detecting a type of the sheet materials,
- wherein the fanning means changes the blowing amount in accordance with the detected type from the sheet type detecting means.
4 more elements
An image forming apparatus comprising:
- image forming means for forming an image on sheet materials;
- a delivery roller pair for delivering the sheet materials on which images are formed by said image forming means;
- a delivery tray for receiving the sheet materials delivered by said delivery roller pair;
- and
- a fan capable of changing a blowing amount for fanning the sheet materials delivered from the delivery roller pair to the delivery tray,
- wherein the blowing amount of said fan is changed according to the setting of the selection of the type of the sheet materials by the user.
3 more elements
Dependencies are inferred from the claim text.