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1954: Four-Bar Blades. Early heavy duty wiper blades. 1956: Panoramic Rainbow or “P-R” Blades. The first windshield wiper blades to have an arc. A pair of spring-tensioned levers pre-flexed the blades to maintain constant pressure on the windshield. It was TRICO's most popular blade up to and through the late 1960s. 1957: TRICO Australia.
In 1917, Charlotte Bridgewood patented the “electric storm windshield cleaner,” the first automatic wiper system that used rollers instead of blades. [11] [12] Like Anderson, Bridgewood never made any money from her invention. Sara-Scott Wingo, rector of Emmanuel Episcopal Church in Richmond, Va., and Anderson’s great-great niece suspect ...
But as aerodynamic and styling concerns introduced curved windshields, these proved insufficient. In 1945, John W. Anderson, founder of Trico rival Anco, filed a patent for a wiper with branched arms to keep the blade pressed uniformly against both curved and flat glass, [16] adaptable to almost any windscreen curvature. [17]
A wood rabbet plane A rabbet or rebate. The rebate plane (British English) or rabbet plane (American English) is a hand plane designed for cutting rebates/rabbets in wood. It is a simple tool used in many Western countries with hundreds of years of history. It was in use in England at least as early as the 11th century. [citation needed]