Sheet processing apparatus and image forming apparatus

24 Pages·2013·1.48 MB·English

US 20070126167A1
(19) United States
(12) Patent Application Publication (10) Pub. No.: US 2007/0126167 A1
KUSHIDA (43) Pub. Date: Jun. 7, 2007
(54) SHEET PROCESSING APPARATUS AND Publication Classi?cation
IMAGE FORMING APPARATUS
(51) Int. Cl.
(75) Inventor: Hideki KUSHIDA, Moriya-shi (JP) B65H 33/04 (2006.01)
(52) US. Cl. ........................................................ ..270/5s.12
Correspondence Address:
ROSSI, KIMMS & McDOWELL LLP.
P.O. BOX 826
(57) ABSTRACT
ASHBURN, VA 20146-0826 (US)
(73) Assignee: CANON KABUSHIKI KAISHA, A sheet processing apparatus has: a plurality of conveying
Tokyo (JP)
paths Which convey sheets; and front and back aligning
members Which perform Width alignment in the direction
(21) Appl. No.: 11/562,038
Which crosses the sheet conveying direction of the sheets
conveyed from the conveying paths. Standby positions When
(22) Filed: Nov. 21, 2006
the front and back aligning members approach side edges of
(30) Foreign Application Priority Data the sheets from the standby positions and perform the Width
alignment of the sheets at the Width aligning position are
made different every sheet on the basis of discharge position
Dec. 1, 2005 (JP) . . . . . . . . . .. 2005-348548
Oct. 2, 2006 (JP) .................................... .. 2006-270798 information of the sheets to the plurality of conveying paths.
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Patent Application Publication Jun. 7, 2007 Sheet 1 0f 15 US 2007/0126167 A1
Patent Application Publication Jun. 7, 2007 Sheet 2 0f 15 US 2007/0126167 A1
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Patent Application Publication Jun. 7, 2007 Sheet 3 0f 15 US 2007/0126167 A1
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Patent Application Publication Jun. 7, 2007 Sheet 4 0f 15 US 2007/0126167 A1
36 FIG. 4
——-—————[ RNlsRER OONTROLLER }
CONVEYANCE CONTROLLER
CPU 705
r1 I INLET CONVEYTNG MOTOR |
NO LATERAL REGESTRATION
DETECTING MOTOR
702 | BUFFERCONVEYING MOTOR |
I UPPER PATH CONVEYING MOTOR |
RAM |LOWEHPATHCONVEYENGMOTORI 101
1 |NLETsENsOR I”
LATERAL REGISTRATION ~104
703 DETECTING sENsOR
R R BUEFERsENsOR [N116
ROM l UPPERBUFFERSENSOR @109
705 m
{J
!/0 1 SHIFT CONVEYTNG MOTOR |~208
I Sl-HFT MOTOR r1210
1 SHTFT HOME sENsOR |
Z95 |NsERT|ON sREET FEEDING UMT
MO WSERTION SHEET FEEDENG MOTOR]
[INSERTION CONVEYING MOTOR]
INSERTION SHEET ~145
DETECTENG SENSOR
Z95 INTERMEDIATE PROCESSING
V0 TRAY CONTROLLER
| FRONT DRIVING MOTOR |~ M340
l BACK DRIVING MOTOR TV M341
_ OOMMUMOATION F RETURN PUDDLE MOTOR |
704 UP | RETURN BELT MOVING MOTOR |
O O | RUNOLE DiSCHARGE MOTOR |
706 S340
| ERONTsENsOR PS3“
NETWORK "F | BACK sENsOR TV
I RETURN PUOOLE HOME sENsOR
RETURN BELT HOME SENSOR
Patent Application Publication Jun. 7, 2007 Sheet 5 0f 15 US 2007/0126167 A1
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FIG. 5B
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Patent Application Publication Jun. 7, 2007 Sheet 6 0f 15 US 2007/0126167 A1
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Patent Application Publication Jun. 7, 2007 Sheet 7 0f 15 US 2007/0126167 A1
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Patent Application Publication Jun. 7, 2007 Sheet 8 0f 15 US 2007/0126167 A1
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Patent Application Publication Jun. 7, 2007 Sheet 9 0f 15 US 2007/0126167 A1