| US 7,527,254 B2 | ||
| Sheet finisher with a punching unit | ||
| Masahiro Tamura, Kanagawa (Japan); Akihito Andoh, Kanagawa (Japan); Junichi Iida, Kanagawa (Japan); Shuuya Nagasako, Tokyo (Japan); Hiroki Okada, Kanagawa (Japan); Hiromoto Saitoh, Kanagawa (Japan); Nobuyoshi Suzuki, Tokyo (Japan); Kenji Yamada, Tokyo (Japan); Junichi Tokita, Kanagawa (Japan); and Naohiro Kikkawa, Tokyo (Japan) | ||
| Assigned to Ricoh Company, Ltd., Tokyo (Japan) | ||
| Filed on Sep. 30, 2005, as Appl. No. 11/239,326. | ||
| Application 11/239326 is a continuation of application No. 10/385489, filed on Mar. 12, 2003, abandoned. | ||
| Claims priority of application No. 2002-066421 (JP), filed on Mar. 12, 2002; application No. 2002-082433 (JP), filed on Mar. 25, 2002; application No. 2002-162121 (JP), filed on Jun. 03, 2002; application No. 2002-162131 (JP), filed on Jun. 03, 2002; and application No. 2002-274815 (JP), filed on Sep. 20, 2002. | ||
| Prior Publication US 2006/0022394 A1, Feb. 02, 2006 | ||
| Int. Cl. B26D 7/00 (2006.01); B65H 37/04 (2006.01) | ||
| U.S. Cl. 270—58.07 | 10 Claims |
| 1. A sheet finisher for use in an image forming apparatus including a front cover, the sheet finisher comprising:
a punching unit including a plurality of punches of a predetermined diameter and configured to punch a sheet to produce scraps;
and
a scrap conveying unit configured to convey the scraps produced from the sheet by said punching unit along a direction which
is substantially perpendicular to a direction of the sheet conveyance; and
wherein the scrap conveying unit comprises a stripe-like conveying body whose first surface on which the scraps are conveyed
is formed with projections, and whose opposite second surface does not include projections, and a distance between the projections
is smaller than the predetermined diameter of the punches.
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