| US 7,484,726 B2 | ||
| Sheet feeding device | ||
| Susumu Hashimoto, Katsuragi (Japan); Hidetoshi Kaneko, Yamatokoriyama (Japan); Toshiki Ohgita, Shiki-gun (Japan); Jinichi Nagata, Osaka (Japan); Yoshitaka Matsumoto, Shijonawate (Japan); Hideo Yoshikawa, Yamatokoriyama (Japan); and Kouzou Yamaguchi, Kashihara (Japan) | ||
| Assigned to Sharp Kabushiki Kaisha, Osaka (Japan) | ||
| Filed on Jun. 19, 2006, as Appl. No. 11/455,100. | ||
| Claims priority of application No. 2005-179277 (JP), filed on Jun. 20, 2005. | ||
| Prior Publication US 2006/0284361 A1, Dec. 21, 2006 | ||
| Int. Cl. B65H 1/22 (2006.01) | ||
| U.S. Cl. 271—164 [271/162; 16/19] | 8 Claims |

| 1. A sheet feeding device adapted to be placed beside a sheet processing apparatus by being lifted on a side close to the
sheet processing apparatus for engagement with the sheet processing apparatus, the sheet feeding device comprising:
a housing for storing sheets to be supplied to the sheet processing apparatus;
casters for supporting the housing, the casters being mounted on a bottom portion of the housing and including a first caster
and a second caster, the first caster being located close to the sheet processing apparatus so as to be movable upward and
downward, the second caster being located far from the sheet processing apparatus, wherein the first caster has: a roller;
and a support for rotatably supporting the roller, the support being mounted so as to be pivotable within a predetermined
range around a pivot shaft that is mounted on the housing, wherein the support has a slit of vertically elongated shape, and
wherein the housing has a screw hole to face the slit, for a screw for securing the support to the housing to be screwed thereinto
through the slit;
a torsion spring for applying a downward force to the first caster, wherein
the torsion spring is mounted horizontally, wherein the torsion spring applies a downward force to the support; and
an adjusting member for fixing a vertical position of the support.
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