![]() His key innovation was directly powering the sawblade from a motor. Ray DeWalt was the first to use a motor directly driving a saw arbor, the motor suspended in a pivoting and tilting yoke attached to a carriage that slid on a horizontal arm. The saw was a success and over the next couple of decades the company diversified its product line to cover a range of sizes: blades between 8 and 24 inches diameter, and arms between 12 and 30 inches long. ![]() ![]() was founded in 1924, two years after Ray DeWalt invented the radial arm saw, which he originally called the "Wonder-Worker". ![]()
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