A radial arm saw is a cutting machine with a circular saw mounted on a sliding horizontal arm above the workpiece. Invented by Raymond DeWalt in 1922, it was the primary tool for cutting long stock to length until the power miter saw replaced it in that role in the 1970s. Beyond simple crosscuts to length, a radial arm saw can be fitted with a dado blade to cut dado, rabbet or half-lap joints, and on some models the blade can be turned parallel to the fence to make a rip cut.
Facts
Introduced When (Circa)Invented by Raymond DeWalt in 1922; DeWalt applied for patents in 1923, issued in 1925 as US Patent 1528536. 1 OriginUnlike most woodworking machinery, the radial arm saw has a clear inventor of record: Raymond DeWalt of Leola, Pennsylvania, whose original design was sold under the name Wonder Worker. 1 Introduced era (class) In the Other Atlases
Sources
1. Radial Arm Saw (Wikipedia)
Wikimedia Foundationlead paragraph, invention sentence
Invented by Raymond DeWalt in 1922, the radial arm saw was the primary tool used for cutting long pieces of stock to length until the introduction of the power miter saw in the 1970s.
Origins section, first sentence
Unlike most types of woodworking machinery, the radial arm saw has a clear genesis: it was invented by Raymond DeWalt of Leola, Pennsylvania.
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