Importance

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Abstract

A horizontal articulated robot may include a hand; an arm having at least two arm portions including a supporting-arm portion to which said hand is rotatably joined and a supported-arm portion to which the base end of said hand-side arm portion is rotatably joined; a main body portion; and a rotation mechanism structured to rotate said supported-arm portion. The rotation mechanism may include a motor which is arranged such that an axial direction of an output shaft of the motor coincides with a horizontal direction; a Harmonic Drive (registered trade mark) wave-motion gearing device structured to reduce the power of said motor; a first bevel gear coupled to said output shaft; and a second bevel gear coupled with a wave generator of said Harmonic Drive (registered trade mark) wave-motion gearing device and which meshes with said first bevel gear.

First Claim