| 摘要 |
A device for engaging and disengaging an object in one direction and a photosensitive medium cleaning device of a liquid printer using the same are provided. The device for engaging and disengaging includes a housing, a driving motor disposed at the housing, a rotating bracket, rotatably disposed at the housing, for supporting the object, and a cam unit, capable of rotating and moving linearly by a rotating force of the driving motor, for transferring the rotating bracket to one side by being rotated after being moved linearly to the rotating bracket while the driving unit is rotating in one direction, the cam unit being separated from the rotating bracket enabling the rotating bracket to return to an initial position while the driving motor is rotating reversely.
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