08020251 is referenced by 36 patents and cites 116 patents.

A vacuum cleaner having a base adapted to be moved on a surface to be cleaned, an inlet nozzle disposed on a lower surface of the base, a vacuum source, and a dirt receptacle. A lower handle is pivotally attached to the base at a lower pivot, and an upper handle is pivotally attached to the lower handle at an upper pivot. In one aspect, the vacuum cleaner includes an automatically-operated lower pivot lock that can restrict relative rotation between the lower handle and the base, and a manually-operated upper pivot lock that can restrict relative rotation between the upper handle and the lower handle. In another aspect, the vacuum cleaner includes a telescoping upper handle with electrical controls attached to the upper telescopic section of the upper handle. In still another aspect, the vacuum cleaner includes an exhaust vent located on an upwardly-facing surface of the base.

Title
Vacuum cleaner with collapsible handle
Application Number
11/333226
Publication Number
8020251 (B2)
Application Date
January 18, 2006
Publication Date
September 20, 2011
Inventor
David A Voigts
Normal
IL, US
Scott Bloom
Bloomington
IL, US
Jeffrey Smith
Bloomington
IL, US
Arnold Sepke
Hudson
IL, US
Vincent Bobrosky
Normal
IL, US
Leonard Hampton
Normal
IL, US
Gregory W Luebbering
Heyworth
IL, US
Agent
Hunton & Williams
Assignee
Electrolux Home Care Products
OH, US
IPC
A47L 9/32
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