Patent · US Active

Height adjusting apparatus for a vacuum cleaner nozzle

US7841046B2 · kind B2 · utility

2Cited by

1References

7Claims

0Family size

Assignee

Electrolux Home Care Products, Inc. · US

Inventors

Michael Fowler · University Park, US
Zu Gen Ni · Suzhou, CN

Key dates

Filing date	May 20, 2008
Grant date	Nov 30, 2010
Priority date	—
Expiry date	Mar 12, 2029

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L9/0494
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

The invention discloses a height adjusting apparatus for a vacuum cleaner nozzle, comprising: a barrel with a vertical passage, a groove module is formed on the inner surface of the barrel, said groove module comprises an upper groove, a lower groove, which has at least a first positioning point, a second positioning point differing from first positioning point in height and a intermediate point between the two positioning points; a resilient member, a lifting member, a driven member and a driving member are arranged in the passage of barrel from down to up. The height adjusting apparatus could be adjusted by applying a pressure force downwardly in vertical direction (for example, press by foot) and that takes less labor and time.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.