The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 10, 2002

Filed:

Dec. 14, 2000
Applicant:
Inventor:

Yoshihiro Hagiwara, Kashiwazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 2/356 ; G01F 2/336 ; G01F 2/330 ; G01F 2/300 ;
U.S. Cl.
CPC ...
G01F 2/356 ; G01F 2/336 ; G01F 2/330 ; G01F 2/300 ;
Abstract

The present invention provides an oscillating liquid level measuring apparatus includes a liquid level measuring unit having: a floating member floating on a surface of liquid in a tank a variable resistor arranged o the top of the tank for measuring a perpendicular displacement of the floating member a transmitting member extending from the floating member and through the top of the tank for transmitting the perpendicular displacement of the floating member to the variable resistor and holders arranged to sandwich the transmitting members for restricting the movement of the floating member only in the perpendicular direction. A connection portion between the transmitting member and the variable resistor has a predetermined allowance in the displacement direction of the floating member


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