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Summary:An electric cutting tool (100) comprises a body part (2) storing a drive part (6) rotatingly driving a circular saw blade (1) and a power transmission mechanism section for transmitting the power of the drive part (6) to the circular saw blade (1) and a surface plate (5) supporting the body part (2). A shaft (1a) supporting the circular saw blade (1) is disposed between the shaft (6a) of the drive part (6) and the surface plate (5). In this electric cutting tool (100), the power transmission mechanism section includes a pair of helical gears (7c, 7d) disposed coaxially with each other. The both gear traces of the paired helical gears (7c, 7d) are formed to face the same direction. By this constitution, a thrust load can be reduced in the electric cutting tool (100).
Bibliography:Application Number: CN2006851984