Surface cleaning apparatus

  • US 10,136,778 B2
  • Filed: 11/05/2015
  • Issued: 11/27/2018
  • Est. Priority Date: 12/17/2014
  • Status: Active Grant
First Claim
Patent Images

1. A surface cleaning apparatus comprising:

  • a) a surface cleaning head having a dirty air inlet;

    b) an air flow path extending from the dirty air inlet to a clean air outlet;

    c) an upright section having a first end movably mounted to the surface cleaning head and an opposed second end, the upright section moveable between a storage position and a floor cleaning position;

    d) an upstream dirty-air suction motor in the air flow path downstream from the dirty air inlet;

    e) a portable vacuum cleaner unit detachably mounted to the upright section, the portable vacuum cleaner unit comprising an air treatment member in the air flow path and a portable unit suction motor in the air flow path downstream from the upstream dirty-air suction motor; and

    ,wherein the surface cleaning apparatus is operable in an upright mode in which the portable vacuum cleaner unit is mounted to the upright section and the upstream dirty-air suction motor and the portable unit suction motor are concurrently operated such that air travels sequentially through the dirty air inlet, the upstream dirty-air suction motor, and then the portable unit suction motor, andwherein the portable vacuum cleaner unit is operable in a portable mode wherein the portable vacuum cleaner unit is detached from the upright section.

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