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Configuration of a surface cleaning apparatus

  • US 10,765,277 B2
  • Filed: 09/02/2014
  • Issued: 09/08/2020
  • Est. Priority Date: 12/12/2006
  • Status: Active Grant
First Claim
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1. A surface cleaning apparatus comprising:

  • a) an air flow passage extending from a dirty air inlet to a clean air outlet;

    b) a floor cleaning unit comprising a surface cleaning head and a support member drivingly connected thereto wherein the support member is positionable in an upright storage position;

    c) a surface cleaning unit removably mounted to a front side of the support member, the surface cleaning unit has a surface cleaning unit air inlet on a rear side thereof and comprises;

    (i) a first cyclone unit positioned in the air flow passage, the first cyclone unit having an outlet conduit;

    (ii) a pre-motor filter positioned in the air flow passage downstream from the first cyclone unit;

    (iii) a suction motor positioned in the air flow passage downstream from the pre-motor filter; and

    ,d) an attachment member having an attachment member air flow passage extending, when the surface cleaning unit is mounted on the upright support member, from an attachment member air inlet provided on a rear side of the attachment member to an attachment member air outlet provided on a front side of the attachment member, wherein the attachment member removably mounts the surface cleaning unit to the support member; and

    ,e) the air flow passage comprising a first air flow path portion that extends from the outlet conduit of the first cyclone unit to the suction motor, wherein the air flow path portion is generally linear, and a second air flow path portion comprising a flexible conduit and the attachment member providing air flow communication between the surface cleaning head and the first cyclone unit when the surface cleaning unit is mounted to the floor cleaning unit,wherein the flexible conduit remains in flow communication with the surface cleaning unit and the floor cleaning unit when the surface cleaning unit is removed from the floor cleaning unit, whereby the surface cleaning unit remains in air flow communication with the floor cleaning unit when the surface cleaning unit is removed from the floor cleaning unit, andwherein the first cyclone unit has a portion that is openable or removable, andwherein the attachment member air flow passage has a flow direction from the attachment member air inlet to the attachment member air outlet that is generally horizontal when the support member is in the upright storage position and the surface cleaning unit is mounted to the floor cleaning unit.

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