IP Library › Granted Patent US 9,522,799

Granted Patent B2

US 9,522,799 · App. 14/709,545 · Granted Dec 20, 2016

Transport device and transport system

Inventors: Masaki Hachisuga (Kanagawa, JP); Takao Furuya (Kanagawa, JP); Seigo Makida (Kanagawa, JP); Kazuya Fukunaga (Kanagawa, JP); Takashi Hiramatsu (Kanagawa, JP); Kiyofumi Aikawa (Kanagawa, JP); Hideki Moriya (Kanagawa, JP); Michio Kikuchi (Kanagawa, JP)

Assignee: FUJI XEROX CO., LTD.

B65H5/068 B65H7/02 B65H7/20 H04N1/00588 H04N1/00602 H04N1/00615 H04N1/0476 H04N1/123

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Quick Facts

Patent No.: US 9,522,799
App. No.: 14/709,545
Granted: Dec 20, 2016
Kind: B2

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Abstract

Provided is a transport device including plural rollers that are provided on a transporting path on which a sheet is transported in a transport direction and is subjected to a process at a process position, and transport the sheet which comes into contact with surfaces of the rollers in the transport direction by rotation of the rollers, among the plural rollers, first rollers that are provided closest to the process position, among the plural rollers, second rollers that are provided closest to the first rollers on an opposite side with respect to the process position, and a driving unit that drives the first rollers and the second rollers to rotate so that a speed of a surface of the first roller is faster than a speed of a surface of the second roller at least while the sheet passes through the process position.

Claims (64)

1. A transport device comprising:

a plurality of rollers that are provided on a transporting path on which a sheet is transported in a transport direction and is subjected to a process at a process position, and transport the sheet which comes into contact with surfaces of the rollers in the transport direction by rotation of the rollers;

among the plurality of rollers, first rollers that are provided closest to the process position on a downstream side in the transport direction of the process position;

among the plurality of rollers, second rollers that are provided closest to the first rollers on an opposite side with respect to the process position in the transport direction when viewed from the first rollers; and

a driving unit that drives the first rollers and the second rollers to rotate so that a speed of a surface of the first roller is faster than a speed of a surface of the second roller at least while the sheet passes through the process position,

wherein:

among the plurality of rollers, third rollers are provided closest to the process position on an upstream side of the process position in the transport direction,

among the plurality of rollers, fourth rollers are provided closest to the third rollers on an upstream side of the third rollers in the transport direction, and

the driving unit drives the third rollers and the fourth rollers to rotate so that a speed of a surface of the fourth roller is faster than a speed of a surface of the third roller at least while the sheet passes through the process position.

2. The transport device according to claim 1 , further comprising:

a guide member that guides the sheet from the first rollers to the second rollers along the transporting path, and includes a collision surface provided at a position where a tip end of a sheet fed by the first rollers collides with the guide member.

3. The transport device according to claim 2 , wherein

in a portion of the transporting path on which the guide member is provided, the transporting path on an upstream side in the transport direction of the collision surface is wider than the transporting path on the downstream side in the transport direction of the collision surface.

4. The transport device according to claim 3 , wherein

the process position includes a first process position and a second process position which is positioned on a downstream side of the first process position in the transport direction,

fifth rollers that are the first rollers provided on a downstream side of the first process position are included,

sixth rollers that are the second rollers provided on a downstream side of the third rollers are included,

seventh rollers that are the third rollers provided on an upstream side of the second process position are included,

eighth rollers that are the fourth rollers provided on the downstream side of the third rollers are included, and

the driving unit drives the fifth and sixth rollers so that a speed of a surface of the fifth roller is faster than a speed of a surface of the sixth roller at least while the sheet passes through the first process position, and drives the seventh and eighth rollers so that a speed of a surface of the eighth roller is faster than a speed of a surface of the seventh roller at least after the sheet passes through the first process position.

5. The transport device according to claim 4 , further comprising:

a first processor that performs a reading process of reading an image by scanning the sheet at the first process position; and

a second processor that performs the reading process by scanning the sheet at the second process position at a speed slower than a speed of the first processor,

wherein the driving unit drives the fifth, sixth, seventh, and eighth rollers so that the speed of the surface of the fifth roller is faster than the speed of the surface of the sixth roller, the speed of the surface of the sixth roller is equal to or faster than the speed of the surface of the eighth roller, and the speed of the surface of the eighth roller is faster than the speed of the surface of the seventh roller.

6. The transport device according to claim 4 , wherein

the driving unit drives the fifth and sixth rollers so that the speed of the surface of the fifth roller is faster than the speed of the surface of the sixth roller while the sheet passes through the first process position, and drives the seventh and eighth rollers so that the speed of the surface of the seventh roller is equal to the speed of the surface of the fifth roller and the speed of the surface of the eighth roller is faster than the speed of the surface of the seventh roller after the sheet passes through the first process position.

7. The transport device according to claim 4 , further comprising:

a first conveying unit that includes a first conveyance passage along a first direction forming an angle with respect to a horizontal direction, and conveys a sheet in the first direction;

a returning conveyance unit that conveys the sheet conveyed by the first conveying unit towards a second direction having a component of an opposite direction to the first direction; and

a second conveying unit that includes a second conveyance passage along the second direction, and conveys the sheet conveyed by the returning conveyance unit in the second direction.

8. The transport device according to claim 7 , wherein

the first process position is provided in the first conveying unit, and

the second process position is provided in the second conveying unit.

9. The transport device according to claim 8 , wherein

a distance between the first process position and the returning conveyance unit is shorter than a distance between the second process position and the returning conveyance unit.

10. A transport system comprising:

the transport device according to claim 9 ; and

a post-processing device that performs a post-process on the sheet discharged from the transport device, the sheet being subjected to the processing by both of the first processor and the second processor.

11. The transport device according to claim 2 , wherein

the process position includes a first process position and a second process position which is positioned on a downstream side of the first process position in the transport direction,

fifth rollers that are the first rollers provided on a downstream side of the first process position are included,

sixth rollers that are the second rollers provided on a downstream side of the third rollers are included,

seventh rollers that are the third rollers provided on an upstream side of the second process position are included,

eighth rollers that are the fourth rollers provided on the downstream side of the third rollers are included, and

12. The transport device according to claim 11 , further comprising:

a first processor that performs a reading process of reading an image by scanning the sheet at the first process position; and

a second processor that performs the reading process by scanning the sheet at the second process position at a speed slower than a speed of the first processor,

13. The transport device according to claim 11 , wherein

14. The transport device according to claim 1 , wherein

the process position includes a first process position and a second process position which is positioned on a downstream side of the first process position in the transport direction,

fifth rollers that are the first rollers provided on a downstream side of the first process position are included,

sixth rollers that are the second rollers provided on a downstream side of the third rollers are included,

seventh rollers that are the third rollers provided on an upstream side of the second process position are included,

eighth rollers that are the fourth rollers provided on the downstream side of the third rollers are included, and

15. The transport device according to claim 7 , further comprising:

a first processor that performs a reading process of reading an image by scanning the sheet at the first process position; and

a second processor that performs the reading process by scanning the sheet at the second process position at a speed slower than a speed of the first processor,

16. The transport device according to claim 14 , wherein

Assignments (2)

CHANGE OF NAME Recorded Aug 12, 2021

From: FUJI XEROX CO., LTD.

To: FUJIFILM BUSINESS INNOVATION CORP.

Reel/Frame 058287/0056 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2015

From: HACHISUGA, MASAKI; FURUYA, TAKAO; MAKIDA, SEIGO; FUKUNAGA, KAZUYA; HIRAMATSU, TAKASHI; AIKAWA, KIYOFUMI; MORIYA, HIDEKI; KIKUCHI, MICHIO

To: FUJI XEROX CO., LTD.

Reel/Frame 035616/0449 →

Priority Claims (1)

JP 2014-227363 · Nov 7, 2014 · national

Continuity (1)

Related Publication 20160130101A1 · May 12, 2016