| 摘要 |
A sheet feeding device is 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 includes a housing, casters, and an elastic member. The housing stores therein sheets to be supplied to the sheet processing apparatus. Provided for supporting the housing, the casters are mounted on a bottom portion of the housing and include a first caster and a second caster. The first caster is located close to the sheet processing apparatus so as to be movable upward and downward. The second caster is located far from the sheet processing apparatus. The elastic member applies a downward force to the first caster.
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