Sheet cutting device and image forming apparatus including the sheet cutting device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B26D-005/08
B65H-035/04
B26D-001/18
B26D-001/24
B26D-007/26
출원번호
US-0366466
(2012-02-06)
등록번호
US-9238566
(2016-01-19)
우선권정보
JP-2011-047723 (2011-03-04)
발명자
/ 주소
Ogawa, Masato
Wakamatsu, Kazuhiro
Yamada, Masahiko
Maeyama, Yuichiro
Yoshinuma, Toshihiro
출원인 / 주소
RICOH COMPANY, LTD.
대리인 / 주소
Cooper & Dunham LLP
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
A moving unit of a sheet cutting device is movable in a sheet width direction perpendicular to a sheet feed direction in which a sheet of recording media is fed along a sheet feed path. A cutter holder accommodates a cutter, is connected to the moving unit and is rotatable in a thickness direction o
A moving unit of a sheet cutting device is movable in a sheet width direction perpendicular to a sheet feed direction in which a sheet of recording media is fed along a sheet feed path. A cutter holder accommodates a cutter, is connected to the moving unit and is rotatable in a thickness direction of the sheet relative to the moving unit. A guide member is disposed along the sheet width direction to guide the moving unit in the sheet width direction. A drawing member is mounted on the moving unit to draw the moving unit toward a downstream side in a cutting direction in which the cutter holder moves to cut the sheet. The moving unit is connected to the cutter holder at a position downstream in the cutting direction from an accommodated position of the cutter in the cutter holder.
대표청구항▼
1. A sheet cutting device comprising: a moving unit movable in a sheet width direction perpendicular to a sheet feed direction in which a sheet of recording media is fed along a sheet feed path;a cutter holder accommodating a cutter and connected to the moving unit, the cutter holder rotatable in a
1. A sheet cutting device comprising: a moving unit movable in a sheet width direction perpendicular to a sheet feed direction in which a sheet of recording media is fed along a sheet feed path;a cutter holder accommodating a cutter and connected to the moving unit, the cutter holder rotatable in a thickness direction of the sheet relative to the moving unit;a guide member disposed along the sheet width direction to guide the moving unit in the sheet width direction; anda drawing member mounted on the moving unit to draw the moving unit toward a downstream side in a cutting direction in which the cutter holder moves to cut the sheet,wherein the moving unit is connected to the cutter holder at a position downstream in the cutting direction from an accommodated position of the cutter in the cutter holder,wherein the guide member includes an upper rail and a lower rail, and the cutter holder includes a positioning member configured and disposed to move on the upper rail during cutting of the sheet and on the lower rail after cutting of the sheet,wherein the position at which the moving unit is connected to the cutter holder is lower than the accommodated position of the cutter in a height direction of the cutter holder. 2. A sheet cutting device comprising: a moving unit movable in a sheet width direction perpendicular to a sheet feed direction in which a sheet of recording media is fed along a sheet feed path;a cutter holder accommodating a cutter and connected to the moving unit, the cutter holder rotatable in a thickness direction of the sheet relative to the moving unit;a guide member disposed along the sheet width direction to guide the moving unit in the sheet width direction; anda drawing member mounted on the moving unit to draw the moving unit toward a downstream side in a cutting direction in which the cutter holder moves to cut the sheet,wherein the moving unit is connected to the cutter holder at a position downstream in the cutting direction from an accommodated position of the cutter in the cutter holder,wherein the guide member includes an upper rail and a lower rail, and the cutter holder includes a positioning member configured and disposed to move on the upper rail during cutting of the sheet and on the lower rail after cutting of the sheet,wherein the moving unit has a rotation member rotatable while contacting the guide member and a position at which the drawing member is mounted on the moving unit substantially coincides with an axis line of the rotation member in a height direction of the moving unit. 3. The sheet cutting device according to claim 1, wherein the drawing member is a linear member capable of transmitting a drawing force to the moving unit. 4. The sheet cutting device according to claim 1, wherein the moving unit has a hook to hook the drawing member thereon. 5. The sheet cutting device according to claim 2, wherein the rotation member has a rotation shaft integrally rotatable with rotation of the rotation member, the cutter holder being rotatably connected to the rotation shaft. 6. The sheet cutting device according to claim 5, wherein the cutter holder has a bearing supporting the rotation shaft, the rotation shaft being rotatable relative to the bearing, and the cutter holder is disposed away from the moving unit in the sheet feed direction and connected to the moving unit via the rotation shaft. 7. An image forming apparatus comprising: an image forming device that forms an image on a sheet;a sheet feed device that feeds the sheet having the image formed thereon along a sheet feed path; anda sheet cutting device that cuts the sheet fed along the sheet feed path, the sheet cutting device comprising: a moving unit movable in a sheet width direction perpendicular to a sheet feed direction in which the sheet is fed along the sheet feed path;a cutter holder accommodating a cutter and connected to the moving unit, the cutter holder rotatable in a thickness direction of the sheet relative to the moving unit;a guide member disposed along the sheet width direction to guide the moving unit in the sheet width direction; anda drawing member mounted on the moving unit to draw the moving unit toward a downstream side in a cutting direction in which the cutter holder moves to cut the sheet, wherein the moving unit is connected to the cutter holder at a position downstream in the cutting direction from an accommodated position of the cutter in the cutter holder,wherein the guide member includes an upper rail and a lower rail, and the cutter holder includes a positioning member configured and disposed to move on the upper rail during cutting of the sheet and on the lower rail after cutting of the sheet,wherein the upper rail is disposed under the moving unit and the lower rail is disposed below and away from the upper rail. 8. The sheet cutting device according to claim 1, wherein during cutting of the sheet, the cutter holder moves along the upper rail in a forward direction parallel to the sheet width direction, and after cutting of the sheet, the cutter holder moves along the lower rail in a reverse direction opposite to the forward direction. 9. The sheet cutting device according to claim 2, wherein the drawing member is a linear member capable of transmitting a drawing force to the moving unit. 10. The sheet cutting device according to claim 2, wherein the moving unit has a hook to hook the drawing member thereon. 11. The sheet cutting device according to claim 2, wherein during cutting of the sheet, the cutter holder moves along the upper rail in a forward direction parallel to the sheet width direction, and after cutting of the sheet, the cutter holder moves along the lower rail in a reverse direction opposite to the forward direction.
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