JP2008179472A5

JP2008179472A5 -

Info

Publication number: JP2008179472A5
Application number: JP2007120266A
Authority: JP
Filing date: 2007-04-27
Publication date: 2010-03-18
Anticipated expiration: 2027-04-27

Claims

A paper discharge tray that is supported on the upper surface of an image forming apparatus main body provided with an image forming section for forming an image on recording paper and on which recording paper discharged from a paper discharge section provided in the image forming apparatus main body is placed. A support structure,
The paper discharge tray has a tray surface on which the recording paper formed and discharged by the image forming unit is placed, a first position where the recording paper is placed on the tray surface, and the tray surface below And a moving mechanism for moving the tray surface between a second position for taking out the recording paper on the tray surface by inclining,
When the paper discharge tray is in the second position, at least the downstream end of the tray surface in the recording paper discharge direction protrudes from the side surface of the image forming apparatus main body and is higher than the upper surface of the image forming apparatus main body. A support structure for a paper discharge tray, which is located below .

The image forming apparatus main body includes a support surface for supporting the paper discharge tray,
The paper discharge tray is pivotally supported so as to be able to turn upward from the support surface and to be able to collide with the image forming apparatus main body at a required turning angle. 2. A support structure for a paper discharge tray according to 1.

The discharge tray support structure according to claim 2, further comprising an urging unit that urges the discharge tray in an abutting direction.

The image forming apparatus main body includes a storage recess for storing the paper discharge tray with a support surface for supporting the paper discharge tray as a bottom surface,
The paper discharge tray and the image forming apparatus main body engage the paper discharge tray with the housing recess so that the paper discharge tray can protrude from the image forming apparatus main body, and lower the paper discharge tray protruding from the image forming apparatus main body. The paper discharge tray is connected to the image forming apparatus main body at a required rotation angle with an elastic member interposed therebetween. The discharge tray support structure according to claim 1, wherein the discharge tray support structure is provided.

The engaging means includes an engaging portion made of a long hole or a long groove extending in the sliding direction of the paper discharge tray on the inner surface of the storage recess, and protruding from the outer surface of the paper discharge tray. The discharge tray support structure according to claim 4, further comprising: an engaged portion including a pivot that is loosely fitted in the long groove.

6. The apparatus according to claim 4, further comprising a pulling unit that is provided inside the housing recess and pulls the paper discharge tray protruding from the main body of the image forming apparatus toward the inner side of the main body of the image forming apparatus. 2. A support structure for the discharge tray as described in 1.

The said paper discharge tray is supported by the said image forming apparatus main body so that it may incline to the paper discharge direction side of the said paper discharge part, The Claim 1 thru | or 6 characterized by the above-mentioned. Support structure for the output tray.

It said discharge tray is to be tilted in the discharge direction in a planar direction perpendicular side of the sheet discharge unit, any one of claims 1 to 6, characterized in that it is supported by the image forming apparatus main body The support structure of the discharge tray according to one item.

Wherein the discharge tray, as protruded from the tray surface, rotatable rollers are pivotally to the tilting direction of the discharge tray,
The roller is linked to the engagement between the support surface and the paper discharge tray, and protrudes from the tray surface when the paper discharge tray is inclined, and is immersed in the paper discharge tray when the paper discharge tray is not inclined. the support structure of the paper discharge tray according to any one of claims 1 to 8, characterized in that provided on the paper discharge tray via a retractable mechanisms.

The discharge tray is shaped so that a gap is formed between the tray surface and the support surface,
The haunting mechanism is
A recess formed in the tray surface;
A bearing loosely fitted in the recess and pivotally supporting the roller;
An elastic member that is stretched between the bearing and the recess and biases the bearing upward;
A boss adjacent to the recess and projecting from the bearing surface;
A halfway portion is pivotally supported by a shaft support portion suspended from the back surface opposite to the tray surface, and one end is disposed to be engageable with the bearing and the other end is disposed to be engageable with the boss. A link that can swing in a shape,
When the discharge tray is not inclined, one end of the link is pushed up by the boss so that the roller can be immersed in the discharge tray. When the discharge tray is inclined, the boss and one end of the link are The discharge tray support structure according to claim 9 , wherein the engagement is released and the roller is configured to protrude from the tray surface.

11. The apparatus according to claim 1, further comprising: an extension tray that is provided so as to be able to protrude and retract from a lower tray end portion when the discharge tray is inclined, and extends the tray surface. The structure for supporting the discharge tray as described.

The support structure of the paper discharge tray according to claim 11, characterized in that the handle is provided on the extension tray.

An image forming apparatus comprising the discharge tray support structure according to any one of claims 1 to 12 ,
An image forming apparatus comprising: a sensor that detects that the paper discharge tray has moved; and a control unit that stops a print job when the sensor detects that the paper discharge tray has moved. .

An image forming apparatus comprising the discharge tray support structure according to any one of claims 1 to 12,
When the sensor detects that the paper discharge tray has moved and when the sensor detects that the paper discharge tray has moved, the recording paper being conveyed is discharged and the print operation is performed. an image forming apparatus characterized by comprising a control means for stopping.