US 7,458,567 B2
Sheet finisher and image forming system using the same
Kenji Yamada, Tokyo (Japan); Masahiro Tamura, Kanagawa (Japan); Nobuyoshi Suzuki, Tokyo (Japan); Hiromoto Saitoh, Kanagawa (Japan); Shuuya Nagasako, Tokyo (Japan); Junichi Iida, Kanagawa (Japan); Hiroki Okada, Kanagawa (Japan); Akihito Andoh, Kanagawa (Japan); Naohiro Kikkawa, Tokyo (Japan); and Junichi Tokita, Kanagawa (Japan)
Assigned to Ricoh Company, Ltd., Tokyo (Japan)
Filed on Oct. 23, 2006, as Appl. No. 11/584,502.
Application 11/584502 is a division of application No. 10/361762, filed on Feb. 11, 2003, granted, now 7,137,625.
Claims priority of application No. 2002-034626 (JP), filed on Feb. 12, 2002; application No. 2002-079471 (JP), filed on Mar. 20, 2002; application No. 2002-162134 (JP), filed on Jun. 03, 2002; application No. 2002-355714 (JP), filed on Dec. 06, 2002; application No. 2002-355731 (JP), filed on Dec. 06, 2002; application No. 2002-378464 (JP), filed on Dec. 26, 2002; and application No. 2002-378478 (JP), filed on Dec. 26, 2002.
Prior Publication US 2007/0035080 A1, Feb. 15, 2007
Int. Cl. B65H 37/04 (2006.01)
U.S. Cl. 270—58.07  [270/52.17; 493/370; 493/371; 83/280; 83/483; 83/485; 83/488; 83/491; 83/495; 83/934] 18 Claims
OG exemplary drawing
 
11. A sheet finisher for performing preselected processing with a sheet conveyed thereto, said sheet finisher comprising:
a cutting mechanism configured to cut the sheet in a direction perpendicular to a direction of sheet conveyance in which said sheet is conveyed;
a guide positioned upstream of said cutting mechanism in the direction of sheet conveyance for guiding the sheet being conveyed; and
a moving mechanism configured to move said guide in a direction parallel to the direction of sheet conveyance, wherein said moving mechanism is configured to cause, during sheet conveyance, said guide to advance to a position downstream of said cutting mechanism or to cause, during cutting, said guide to retract to a position upstream of said cutting mechanism; and
a stationary guide plate,
wherein said guide comprises a movable retraction guide plate positioned downstream of said stationary guide plate in the direction of sheet conveyance, and said movable retraction guide plate slides out from the stationary guide plate during said cutting to a position upstream from said stationary guide plate.