Convertible vacuum-blower

  • US 4,694,528 A
  • Filed: 07/18/1986
  • Issued: 09/22/1987
  • Est. Priority Date: 07/18/1986
  • Status: Expired due to Term
First Claim
Patent Images

1. A convertible vacuum-blower comprising:

  • a housing having an air inlet and an air outlet;

    a motor supported in said housing;

    an impeller supported for rotary motion in said housing, in fluid communication with said air inlet and said air outlet, and rotatably driven by said motor;

    a removable air inlet cover for covering said air inlet, said air inlet cover having apertures for passage of air through the cover;

    attachment means for removably securing said air inlet cover to said housing;

    switch means carried by said housing for allowing said motor to operate when said air inlet is covered but not when said air inlet is uncovered; and

    first switch actuator means carried by said air inlet cover for actuating said switch means when said cover is secured to said housing covering said air inlet.

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