![]() ![]() Several patents were issued for saws where the carriage was attached to the end of the arm, and the whole arm slid back and forth with the carriage. With DeWalt's success, various competitors attempted to improve on his idea and/or circumvent his patents. and Mackintosh Hutchinson, were otherwise similar but used belts to transfer power from a motor to the saw arbor. Earlier saws, e.g., from Toronto makers Elliot Woodworker, Ltd. 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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