| 摘要 |
PURPOSE: An ink pumping apparatus of an ink jet printer is provided to reduce noises by allowing a roller to be stably rotate and by spacing a rotation member rotating at a high speed from a housing by a predetermined distance while pumping ink. CONSTITUTION: An ink pumping apparatus of an ink jet printer includes a housing(10), an elastic tube(20), a roller(41), a lever(40), a fixed pin(50), a rotary table(30), and a rotary power delivering unit. The housing has an inner peripheral surface of a cylinder type and has one side thereof formed two entrance and exit. The elastic tube(20) is aligned such that the elastic tube(20) is protruded through two entrance and exit. The lever(40) supports the roller(41) such that the roller(41) rotates. The rotary power delivering unit gives rotary power to the rotary table. It is preferred that a spring connecting one side of the lever(40) to the rotary table is further installed such that the lever(40) makes contact with a stopper.
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