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Lever gauge with hinged arms

  • US 6,170,328 B1
  • Filed: 08/05/1999
  • Issued: 01/09/2001
  • Est. Priority Date: 08/05/1999
  • Status: Expired due to Term
First Claim
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1. A liquid level gauge comprising:

  • (a) a gauge head adapted for mounting to a portion of a liquid storage container;

    (b) a float arm structure having an axial member, said axial member defining an axis and being rotatably mounted to said gauge head and depending therefrom;

    (c) said float arm structure including a float arm segment extending from said axial member substantially perpendicular to said axis of said axial member, and a counterweight segment extending from said axial member substantially perpendicular to said axis of said axial member and opposite the direction of extension of said float arm segment;

    (d) said counterweight segment having an elongate inner arm section, an elongate outer arm section and a hinge section;

    said inner arm section being rigidly connected to said axial member for movement through an arc defining a first plane;

    said hinge section being connected at a first end to an outer end of said inner arm section and connected at an opposite end to an inner end of said outer arm section;

    said hinge section being deflectable to allow movement of said outer arm section between a first configuration in which said outer arm section is in a predetermined position with respect to said inner arm section and a second configuration in which said outer arm section is not in said predetermined position with respect to said inner arm section;

    said hinge section providing a biasing force for urging said outer arm section into said first configuration; and

    (e) said float arm segment having an elongate float arm section rigidly attached to said axial member for movement through an arc; and

    (f) a float connected to an outer end of said elongate float arm section.

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