Liquid ejection device
AssigneeSeiko Epson Corporation
InventorTetsuya Takamoto
Life of this patent
Estimating the term…
Abstract
The liquid ejection device includes: a platen configured to hold a recording medium by suction through the use of a plurality of suction holes; a suction unit configured to generate a negative pressure for holding the recording medium to the platen by suction; a suction flow passage configured to transmit the negative pressure generated by the suction unit to the platen, the suction flow passage being disposed between the suction unit and the platen; and a communication control unit configured to control communication between the suction unit and the suction holes not blocked by the recording medium, through the use of a flow of air suctioned from the suction holes not blocked by the recording medium.
Claims7
A liquid ejection device comprising:
- a carriage configured to mount a liquid ejection head for ejecting a liquid;
- a platen having a plurality of suction holes including a first suction hole and a second suction hole disposed adjacent to the first suction hole, the first suction hole being configured not to be blocked and the second suction hole being configured to be blocked, the platen being disposed in a position facing a movement region of the carriage;
- a suction unit configured to generate a negative pressure;
- a suction flow passage configured to transmit the negative pressure generated by the suction unit to the platen, the suction flow passage being disposed between the suction unit and the platen;
- and
- a communication control unit provided between the first suction hole and the second suction hole in the suction flow passage so that communication between the suction unit and the first suction hole is controlled by a flow of air suctioned from the first suction hole, the communication control unit being movable between a first side of opening communication between the suction unit and the first suction hole and a second side of the opening communication that reduces a rate of flow toward the suction unit from the first suction hole,
- the communication control unit being configured to commence to move from the first side to the second side in response to activation of the suction unit.
A liquid ejection device comprising:
- a carriage configured to mount a liquid ejection head for ejecting a liquid;
- a platen having a plurality of suction holes including a first suction hole and a second suction hole disposed adjacent to the first suction hole, the first suction hole being configured not to be blocked and the second suction hole being configured to be blocked, the platen being disposed in a position facing a movement region of the carriage;
- a suction unit configured to generate a negative pressure;
- a suction flow passage configured to transmit the negative pressure generated by the suction unit to the platen, the suction flow passage being disposed between the suction unit and the platen;
- and
- a communication control unit provided between the first suction hole and the second suction hole in the suction flow passage so that communication between the suction unit and the first suction hole is controlled by a flow of air suctioned from the first suction hole, the communication control unit being movable between a first side of opening communication between the suction unit and the first suction hole and a second side of the opening communication that reduces a rate of flow toward the suction unit from the first suction hole,
- the communication control unit being configured to commence to move from the first side to the second side in response to activation of the suction unit, the communication control unit including
- a movable flow rate adjustment member supported to rotate about a shaft center in the suction flow passage so as to enable adjustment of the rate of flow to the suction unit from the first suction hole, and
- an urging section configured to impart an urging force for maintaining a state in which the movable flow rate adjustment member is on the first side as the suction unit is not operating.
Dependencies are inferred from the claim text.