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US 4,543,591 AGranted
Suction recovery apparatus
AssigneeCanon Kabushiki Kaisha
InventorKoji Terasawa
Life of this patent
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Abstract
A suction recovery apparatus comprises a capping unit for hermetically sealing the end of a recording head for discharging ink, a unit for mounting the capping unit movement toward the recording head, a negative pressure generating unit for generating a negative pressure, and a lever rotatable about an axis for moving the capping unit toward the recording head by rotation in one direction to hermetically seal the end of the head and causing the negative pressure generating unit to generate a negative pressure which sucks the end of the recording head.
Claims8
A suction recovery apparatus comprising:
- capping means for capping the end of a recording head for discharging ink;
- holding means for mounting said capping means for movement toward said recording head;
- negative pressure generating means for generating a negative pressure;
- and
- a lever rotatable about an axis for moving said capping means toward said recording head by rotation about said axis in one direction to cap the end of said recording head and causing said negative pressure generating means to generate a negative pressure on the end of said recording head.
2 more elements
Dependencies are inferred from the claim text.