Suction nozzles for vacuum cleaners

Details Suction nozzles for vacuum cleaners Suction nozzles for vacuum cleaners

1979-08-17

1981-01-13

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15354, 15398, 15401, 285 7, 285276, A47L 900, A47L 904

Patent

active

042440807

ABSTRACT:
A suction nozzle for a vacuum cleaner runs on rollers (4) at the ends of a suction passage (24) whose front and rear margins are defined by replaceable insert strips (7', 8', 9'; 7, 8, 9). The rollers have a cranked axle bar (5) supported at intervals by open bushings (23) of different orientations, integral with the nozzle body (1). At the ends of the suction passage (24) gaps between the rollers (4) and the front strips (7, 8, 9) create lateral suction. A plastic covering (2) caps the nozzle body (1) and is secured by integrally molded studs (14).

REFERENCES:
patent: 982640 (1911-01-01), Spencer
patent: 1527383 (1925-02-01), Solliday
patent: 1695246 (1928-12-01), Gammeter
patent: 1806168 (1931-05-01), Kirby
patent: 2318317 (1943-05-01), Lofgren
patent: 2734215 (1956-02-01), Wilson
patent: 2841812 (1958-07-01), Laechowicz
patent: 3286296 (1966-11-01), Waters
patent: 3290068 (1966-12-01), Jackson
patent: 4164055 (1979-08-01), Townsend

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