Vacuum cleaner having a slanted pedestal

Details Vacuum cleaner having a slanted pedestal Vacuum cleaner having a slanted pedestal

2007-05-01

2007-05-01

Snider, Theresa T. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S323000, C015S352000, C055SDIG030

Reexamination Certificate

active

10430222

ABSTRACT:
A vacuum cleaner has a suction air inlet disposed in front of an electric blower and a dust chamber detachably installed to the rear of the electric blower. The vacuum cleaner further embodies a swivel caster and wheels for facilitating transportability thereof, wherein the swivel caster is provided in front of the electric blower. By not having the dust chamber above the swivel caster, regardless of the amount of dust accumulated in the dust chamber, the load that is distributed on the swivel caster stays substantially unchanged, thereby enhancing durability of the swivel caster. Furthermore, in such configuration loading and unloading of the dust chamber can be carried out without being interfered with a hose due to the placement of the suction air outlet connected with the hose and the dust chamber on opposite ends of the vacuum cleaner.

REFERENCES:
patent: 2233167 (1941-02-01), Holm-Hansen
patent: 2937395 (1960-05-01), Meyerhoefer
patent: 3621640 (1971-11-01), Ohno et al.
patent: 3816983 (1974-06-01), Sawada et al.
patent: 4924039 (1990-05-01), McAllise et al.
patent: 6256834 (2001-07-01), Meijer et al.
patent: 6484350 (2002-11-01), Yung
patent: 6524358 (2003-02-01), Yang
patent: 6818036 (2004-11-01), Seaman
patent: 6215207 (1987-04-01), None

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