Level measuring device with an armless float
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United States of America Patent
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-
Jun 11, 1996
Grant Date -
N/A
app pub date -
Apr 19, 1994
filing date -
Apr 19, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved liquid level measuring device with an armless float which is equipped with a pair of symmetric multi-point contact arms hidden inside the armless float so as to protect the same from being damaged in mounting. The present liquid level measuring device has a circuit including two portions each of which is disposed on one side of the sliding pole of the liquid level measuring device, permitting the reduction of the size of the same. A plurality of liquid discharge ditches which can be defined in any form are disposed on each portion of the circuit path for easy expelling of liquid particles adhered on the surface thereof. The multi-point contact arms can scrape off insulating oxydized coatings on the circuit paths in repeated sliding operation thereof so as to permit the contact between the arms and the paths constantly in an effective manner.
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