| 摘要 |
A sheet conveying device includes a sheet conveying path, a first conveying member, a first guide portion, a second guide portion, a registration roller pair, a third guide portion, and a guide member. A posture of the guide member is changeable between a first posture in which an upstream guide portion retracts from the sheet conveying path into a groove portion of the second guide portion, and a downstream guide portion projects to the sheet conveying path from the groove portion; and a second posture in which the downstream guide portion retracts from the sheet conveying path into the groove portion, and the upstream guide portion projects to the sheet conveying path from the groove portion. |
| 主权项 |
1. A sheet conveying device, comprising:
a sheet conveying path along which a sheet is conveyed; a first conveying member which conveys the sheet in the sheet conveying path; a first guide portion which guides the sheet to be conveyed by the first conveying member in a predetermined conveying direction; a second guide portion including a curved surface, and configured to guide the sheet guided by the first guide portion along the curved surface, the second guide portion further including a groove portion formed in the curved surface along the conveying direction at a middle portion of the second guide portion in a sheet width direction intersecting with the conveying direction; a registration roller pair disposed downstream of the second guide portion in the conveying direction of the sheet, the registration roller pair being configured to correct skew of the sheet by contact with a leading end of the sheet, and to convey the sheet; a third guide portion disposed between the second guide portion and the registration roller pair, and configured to guide the sheet toward the registration roller pair; and a guide member disposed in the groove portion, and extending in the conveying direction along the curved surface, wherein the guide member includes:
a pair of pivot portions extending from both ends of the guide member in the sheet width direction, and configured to be rotatably supported on the second guide portion;an upstream guide portion extending upstream of the pivot portions in the conveying direction to an upstream end, the upstream end being spaced from the pivot portions by a first length; anda downstream guide portion extending downstream of the pivot portions in the conveying direction to a downstream end, the downstream end being spaced from the pivot portions by a second length that is less than the first length, the guide member is pivotally movable around the pivot portions, a posture of the guide member is changeable between a first posture in which the upstream guide portion retracts from the sheet conveying path into the groove portion, and the downstream guide portion projects to the sheet conveying path from the groove portion, and a second posture in which the downstream guide portion retracts from the sheet conveying path into the groove portion, and the upstream guide portion projects to the sheet conveying path from the groove portion, the guide member is set to the first posture when the leading end of the sheet to be conveyed by the first conveying member reaches the second guide portion, the posture of the guide member is changed from the first posture to the second posture when the leading end of the sheet passes through a downstream portion of the second guide portion in the conveying direction, and the posture of the guide member is changed from the second posture to the first posture after the leading end of the sheet reaches the registration roller pair. |
