Wiper/scraper/washer blade for windows on transportation means

Details Wiper/scraper/washer blade for windows on transportation means Wiper/scraper/washer blade for windows on transportation means

1986-07-28

1988-05-24

Levy, Stuart S.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

152504, 1525041, B60S 0138

Patent

active

047456531

ABSTRACT:
A multiple edged blade has at least two blade edges contacting a window surface simultaneously. A washing sponge in between the edges receives liquid from a central conduit. Various smooth and serrated planes adjacent to each edge provide alternative working edges for different conditions of the window. A hard pointed edge cuts through ice. A sharply angled forward edge of the blade scrapes. A centrally positioned sponge washes. A rearwardly pointing rear edge wipes. A rotatable triple edged blade with multiple types of surfaces provides versatility for use in any weather.

REFERENCES:
patent: 3417421 (1968-12-01), Retke
patent: 3631561 (1972-01-01), Aszkenas
patent: 4192038 (1980-03-01), Klein et al.
patent: 4293975 (1981-10-01), Ainsworth
patent: 4317251 (1982-03-01), Priesemuth
patent: 4567621 (1986-02-01), Alley, Jr.
patent: 4616060 (1986-10-01), Killgoar, Jr.

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