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Pressure reading structure for pressure gauge

  • US 6,763,725 B1
  • Filed: 05/14/2003
  • Issued: 07/20/2004
  • Est. Priority Date: 05/14/2003
  • Status: Expired due to Fees
First Claim
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1. A pressure reading structure used in a pressure gauge comprising a hollow cylindrical housing and a pressure-measuring element mounted inside said housing, the pressure reading structure comprising an index dial mounted inside said housing and a pointer suspended inside said housing and coupled to said pressure-measuring element and adapted to be turned by said pressure-measuring element relative to said index dial upon filling of a flow of gas into said pressure-measuring element, wherein:

  • said housing is transparent and has a top-view zone and an annular side-view zone extended around the periphery of said top-view zone;

    said index dial is shaped like a circular cap having a top-view index dial portion corresponding to said top-view zone of said housing and a side-view index dial portion corresponding to said side-view zone of said housing;

    said pointer is an angled pointer having a top-view pointer portion suspended between said top-view zone of said housing and said top-view index dial portion of said index dial and a side-view pointer portion suspended between said side-view zone of said housing and said side-view index dial portion of said index dial.

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