Ridge Tool Company

Xinwen Yang

Qi Zhou

Duan Yi Wu

Kuo Wu

Zhiping Fang

A powered cutting tool for cutting tubular or cylindrical workpieces such as pipe is described. The cutting tool includes a base, an electric motor, a collection of rollers, a frame, a feedscrew, an auto cut wheel system, and a handle for rotating the feedscrew and adjusting the position of the auto cut wheel system relative to the rollers. In certain versions, the cutting tool includes torque-limiting provisions, to limit the amount of torque applied to the feedscrew. In certain versions, the cutting tool includes rollers and press wheels featuring non-metal outer surfaces.

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Shanghai, China

Xinwen Yang