LIQUID TRANSFER DEVICE
PROBLEM TO BE SOLVED: To provide a liquid transfer device capable of reducing the cost and the size.SOLUTION: A waste ink recovery device 1 as a liquid transfer device includes a tubing pump 40 rotated around an axis by a motor and transferring waste ink to a recovery container, a flow passage membe...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a liquid transfer device capable of reducing the cost and the size.SOLUTION: A waste ink recovery device 1 as a liquid transfer device includes a tubing pump 40 rotated around an axis by a motor and transferring waste ink to a recovery container, a flow passage member 30 for guiding the waste ink to the tubing pump 40, flow passage selecting means 50 and a one-way clutch 70. The flow passage selecting means 50 has an operation member 53 for opening and closing flow passages in the flow passage member 30, and an eccentric cam 54 allowing the operation member 53 to open and close the flow passages in the flow passage member 30. The one-way clutch 70 regulates transmission of rotation of the tubing pump 40 to the eccentric cam 54 when the tubing pump 40 is rotated in one direction D1 transferring the waste ink to the recovery container. The one-way clutch 70 allows transmission of rotation of the tubing pump 40 to the eccentric cam 54 so that the eccentric cam 54 is rotated when the tubing pump 40 is rotated in the other direction D2 opposite to the one direction D1.
【課題】低コスト化と小型化を図ることができる液体移送装置を提供すること。【解決手段】液体移送装置としての廃インク回収装置1はモータにより軸心回りに回転して廃インクを回収容器に移送するチュービングポンプ40と廃インクをチュービングポンプ40に導く流路部材30と流路選択手段50と一方向クラッチ70を備える。流路選択手段50は流路部材30内の流路を開閉する作動部材53と作動部材53に流路部材30内の流路を開閉させる偏心カム54とを有する。一方向クラッチ70はチュービングポンプ40が廃インクを回収容器に移送する一方の方向D1に回転するとチュービングポンプ40の回転が偏心カム54に伝達されることを規制する。一方向クラッチ70はチュービングポンプ40が一方の方向D1の逆向きの他方の方向D2に回転するとチュービングポンプ40の回転が偏心カム54に伝達されることを許容して偏心カム54を回転する。【選択図】図5 |
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