Brushing – scrubbing – and general cleaning – Attachments – For a vacuum cleaner
Patent
1996-10-04
1999-07-27
Graham, Gary K.
Brushing, scrubbing, and general cleaning
Attachments
For a vacuum cleaner
1525019, 15250001, B60S 104, B60S 162
Patent
active
059269057
ABSTRACT:
A rumble strip for removing snow and ice from a windshield wiper blade having an elongated body positioned at an edge of a windshield over which a windshield wiper blade will pass when activated, the elongated body having at least one surface sufficiently raised from the outer surface plane of the windshield as will cause the windshield wiper blade to be flexed and/or bumped as it passes thereover, whereby the flexing and/or bumping action will be sufficient to dislodge at least some of the snow and ice which has adhered to the windshield wiper blade.
REFERENCES:
patent: 2974340 (1961-03-01), Kopczynski
patent: 3390912 (1968-07-01), Stata
patent: 3908222 (1975-09-01), Scott
patent: 4378484 (1983-03-01), Kunert
patent: 4685168 (1987-08-01), Mastromoro
patent: 4934013 (1990-06-01), Jacoby
patent: 5226199 (1993-07-01), Jacoby
patent: 5513412 (1996-05-01), Longazel
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