Magnetic window cleaning apparatus

Details Magnetic window cleaning apparatus Magnetic window cleaning apparatus

1990-02-16

1990-12-18

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

15220A, 15245, A47L 108

Patent

active

049776371

ABSTRACT:
Inside and outside window surface cleaning units contain magnets disposed adjacent to respective base walls. All magnets of the inside unit have the same polarity surfaces adjacent to the base wall. All magnets of the outside unit have all magnets with the opposite polarity adjacent to the base wall so that lateral displacement of the inner and outer units does not cause magnetic repulsion, but rather sustains attraction. A separate outside squeegee unit is provided also having magnets of the opposite polarity adjacent to the base wall.

REFERENCES:
patent: 3296645 (1967-01-01), Shore
patent: 3600737 (1971-08-01), Shore
patent: 3759621 (1973-09-01), DeCarlo
patent: 3922747 (1975-12-01), Kaftan
patent: 3983591 (1976-10-01), Ohtaki et al.
patent: 4144091 (1979-03-01), Tran

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