Rollered nozzle

Details Rollered nozzle Rollered nozzle

1994-01-21

1996-01-09

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15422, A47L 904

Patent

active

054817811

ABSTRACT:
A vacuum cleaner is provided with a nozzle having front and rear rollers that extend for, essentially, the width of the nozzle from side to side. Ideally, these rollers are mounted at least partly within the vacuumized envelope formed by the nozzle.

REFERENCES:
patent: 959721 (1910-05-01), Cummings et al.
patent: 1291802 (1919-01-01), Drake
patent: 1708242 (1929-09-01), Simpson
patent: 1904974 (1933-04-01), Hoover
patent: 1933645 (1933-11-01), Vine
patent: 2017893 (1935-10-01), Boettler
patent: 2157077 (1939-05-01), Kroenlein
patent: 2278382 (1942-03-01), Ross
patent: 2701892 (1955-02-01), Mingus
patent: 3102289 (1963-09-01), Norris
patent: 3260042 (1966-07-01), Hanson et al.
patent: 3605172 (1971-09-01), Damasco
patent: 4050112 (1977-09-01), Saxon
patent: 4138762 (1979-02-01), Jost
patent: 4809395 (1989-03-01), Fleischhauer

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