Pump, device for recovering liquid ejection and image forming apparatus equipped with the pump
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United States of America Patent
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-
Feb 18, 2003
Grant Date -
Aug 30, 2001
app pub date -
Feb 23, 2001
filing date -
Feb 24, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides a compact pump capable of simultaneous sucking/discharging desired volumes of fluid in a plurality of systems, which includes a separating wall dividing a cylinder into a plurality of fluid compartments, discharging ports and sucking ports mutually arranged at opposite sides of the respective fluid compartments with respect to longitudinal direction, a plurality of pistons accommodated in the respective fluid compartments so as to slide in the respective fluid compartments and to divide respective fluid compartments into two rooms, and a common piston rod for the pistons passing through the separating wall to reciprocate the pistons in fluid compartments respectively.
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