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Portable peak flow meter

  • US 5,224,487 A
  • Filed: 07/22/1991
  • Issued: 07/06/1993
  • Est. Priority Date: 07/22/1991
  • Status: Expired due to Term
First Claim
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1. A breath flow meter comprising a hollow meter body;

  • flow measurement means mounted in said body for measuring and displaying the flow rate of breath passing through said meter body;

    a mouthpiece at a first end of said body and a breath outlet in said body displaced from said first end;

    a cover coacting pivot means for pivotally mounting said cover to said body, and means for selectively maintaining said cover in a chosen one of two alternative orientations wherein a first orientation encloses said mouthpiece and a second orientation extends said cover from said body as a handle.

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