Vacuum cleaner

Details Vacuum cleaner Vacuum cleaner

1990-10-09

1992-07-21

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

153272, 153276, A47L 900

Patent

active

051311143

ABSTRACT:
A vacuum cleaner including a main vacuum cleaner body having a plurality of caster mounting portions, respectively accommodating a caster, provided on a lower case of the vacuum cleaner main body, with the suction hose being turnably mounted substantially at a central portion of the upper case of the vacuum cleaner main body. A distance between an installation position of the suction hose and the respective caster mounting portions is substantially equal such that when the vacuum cleaner main body collides with an obstacle located on a surface to be cleaned by the vacuum cleaner, the suction hose can move easily and the vacuum cleaner main body can move and turn easily in a pulling direction of the suction hose to avoid the obstacle.

REFERENCES:
patent: 1937792 (1933-12-01), Schreiber
patent: 2475815 (1949-07-01), Burd
patent: 2734594 (1956-02-01), Meeker
patent: 2771151 (1956-11-01), Osborn
patent: 2956734 (1960-10-01), Doyle
patent: 3101889 (1963-08-01), Tatge
patent: 3149362 (1964-09-01), Smithson
patent: 4355434 (1982-10-01), Gongwer

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