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Variable high/low vacuum/blower device

  • US 5,400,464 A
  • Filed: 01/26/1994
  • Issued: 03/28/1995
  • Est. Priority Date: 09/08/1992
  • Status: Expired due to Term
First Claim
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1. A vacuum/blower device having vacuum/blower means for engaging debris comprising:

  • a housing having air flow channels;

    air inlet/outlet means extending through said housing and connected to said air flow channels;

    means for establishing high pressure/low air flow in said air flow channels;

    means for establishing low pressure/high air flow in said air flow channels; and

    means for selectively changing the air pressure and air flow in said air flow channels from high pressure/low air flow to low pressure/high air flow when operated as a vacuum device and also as a blower device.

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