Brushing – scrubbing – and general cleaning – Implements – Brush or broom
Patent
1991-02-19
1992-05-26
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Brush or broom
15 23, 15191R, 15194, 15200, A46B 1302, A46B 308, A46B 704
Patent
active
051155346
ABSTRACT:
The present invention is directed toward a device that is adapted to the working end of a rotating string grass trimming tool. The standard string and spool end effector of the grass trimming tool is removed and the present invention is substituted in its place. The present invention is comprised of a drum which is rotated at a high rate of speed by the prime mover of the grass trimming tool. The drum has a plurality of flexible bristles extending from its circumferential surface. The centrifugal force of the rotating drum extends the flexible bristles away from the surface of the drum. The extended bristles are then brought into contact with a desired surface, removing any paint, rust or other unwanted material from the surface with a minimal or surface damage to that surface. The rate at which the present invention is rotated is controlled by the motor governing device of the grass trimming tool.
REFERENCES:
patent: 2215514 (1940-09-01), MacGregor
patent: 2626413 (1953-01-01), Girton
patent: 3314095 (1967-04-01), Prange
patent: 4780992 (1988-11-01), McKervey
Glynn Kenneth P.
Roberts Edward L.
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