LIQUID SUPPLY DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Feb 20, 2025
app pub date -
Aug 17, 2022
filing date -
Aug 17, 2022
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A liquid supply device 10 has a pump unit 11 in which a plurality of pump members are provided; a housing 15 in which a plurality of drive rods for driving the pump members are integrated; a drive roller 32 which rotation about a center rotation axis in a direction lateral to a reciprocation direction of the driving rod; a cam member 43 on whose end surface a cam surface 48 contacted with the drive roller 32 is provided; a magnet 66 provided on an outer peripheral portion of the cam member 43; and a magnetic sensor 71 that senses a magnetic field of the magnet 66 to output a rotation signal.
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