Vacuum driven tool

Details Vacuum driven tool Vacuum driven tool

1985-08-08

1986-05-20

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15385, 15387, A47L 904

Patent

active

045891613

ABSTRACT:
A rotary brush vacuum sweeper having a directly coupled disc brush and turbine wheel. The disc brush floats axially within the sweeper housing to control brush force and is in telescopic relation with rearward motor components to promote favorable air flow characteristics. Hollow space between the disc brush and turbine wheel is continuously purged of dirt and debris by ambient air passing through an associated internal circuit.

REFERENCES:
patent: 2078634 (1937-04-01), Karlstrom
patent: 2477681 (1949-08-01), Anderson
patent: 2703904 (1955-03-01), De Long
patent: 3909875 (1975-10-01), Rother et al.
patent: 3959848 (1976-06-01), Rother
patent: 4538322 (1985-09-01), Ahlf et al.

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