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US 8,620,183 B2Granted
Sheet conveying apparatus and image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorShinichiro Hosoi
Life of this patent
Estimating the term…
Abstract
In a sheet conveying apparatus according to the present invention, a guide unit is rotatably disposed in an apparatus body. The sheet conveying apparatus includes a conveying portion which is disposed in the guide unit in such a manner as to be movable relatively to a cover and conveys the sheet on a second conveyance path, and a positioning portion which is disposed in the cover and positions the conveying portion at the cover when the cover is closed with respect to the apparatus body. The guide unit is moved to a closure position during the operation for closing the cover, and thereafter, the positioning portion positions the conveying portion by the operation for closing the cover.
Claims14
A sheet conveying apparatus comprising:
- an apparatus body;
- a guide unit which is rotatably supported by the apparatus body in such a manner as to be rotatable between a closure position and an open position and forms a first conveyance path, on which a sheet is conveyed, in cooperation with the apparatus body;
- a cover which is rotatably supported by the apparatus body and forms a second conveyance path, on which the sheet is conveyed, in cooperation with the guide unit, the cover having a rotation center at a different position from a rotation center of the guide unit;
- a first conveying portion which is disposed on the cover and conveys the sheet on the second conveyance path;
- a second conveying portion which is disposed on the guide unit in such a manner as to be movable relatively to the guide unit and conveys the sheet on the second conveyance path with the first conveying portion;
- a positioning pin provided on one of the second conveying portion or the cover;
- a positioning hole which is provided on the other of the second conveying portion or the cover and which engages with the positioning pin when the guide unit is at the closure position, wherein the second conveying portion is positioned by engaging the positioning pin and the positioning hole with respect to the first conveying portion on the cover;
- a holding portion which is disposed in the apparatus body and holds the guide unit at a holding position where the guide unit is held in the open position, wherein the positioning pin and the positioning hole do not engage with each other when the holding portion holds the guide unit at the holding position;
- and
- a pushing portion which is provided on the cover to push the guide unit that is held at the holding position by the holding portion to cause the guide unit to move from the holding position toward the closure position by an operation of closing the cover so that the guide unit which has been pushed by the pushing portion moves to the closure position by a self weight of the guide unit or a biasing force of a biasing member,
- wherein as the guide unit is located at the closure position the positioning pin and the positioning hole engage with each other by the operation of closing the cover.
8 more elements
An image forming apparatus comprising:
- an apparatus body;
- a guide unit which is rotatably supported by the apparatus body in such a manner as to be rotatable between a closure position and an open position and forms a first conveyance path, on which a sheet is conveyed, in cooperation with the apparatus body;
- a transferring portion which transfers an image onto a sheet conveyed on the first conveyance path;
- a fixing device which fixes, to the sheet, the image transferred onto the sheet by the transferring portion;
- a cover which is rotatably supported by the apparatus body and forms a second conveyance path, on which the sheet is conveyed, in cooperation with the guide unit, the cover having a rotation center at a different position from a rotation center of the guide unit;
- a first conveying portion which is disposed on the cover and conveys the sheet on the second conveyance path;
- a second conveying portion which is disposed on the guide unit in such a manner as to be movable relatively to the guide unit and conveys the sheet on the second conveyance path with the first conveying portion;
- a positioning pin provided on one of the second conveying portion or the cover;
- a positioning hole which is provided on the other of the second conveying portion or the cover and which engages with the positioning pin when the guide unit is at the closure position, wherein the second conveying portion is positioned by engaging the positioning pin and the positioning hole with respect to the first conveying portion on the cover;
- a holding portion which is disposed in the apparatus body and holds the guide unit at a holding position where the guide unit is held in the open position, wherein the positioning pin and the positioning hole do not engage with each other when the holding portion holds the guide unit at the holding position;
- and
- a pushing portion which is provided on the cover to push the guide unit that is held at the holding position by the holding portion to cause the guide unit to move from the holding position toward the closure position by the operation of closing the cover so that the guide unit which has been pushed by the pushing portion moves to the closure position by a self weight of the guide unit or a biasing force of a biasing member,
- wherein as the guide unit is located at the closure position the positioning pin and the positioning hole engage with each other by the operation for closing the cover.
10 more elements
Dependencies are inferred from the claim text.