Patent ID: 8266979

Claim:
A vertical articulated robot comprising: a base; a turning base provided on the base so as to be pivotable about a first rotation axis; a first upper arm provided on the turning base so as to be turnable about a second rotation axis that is in a plane perpendicular to the first rotation axis; a second upper arm provided on a distal end portion of the first upper arm so as to be pivotable about a third rotation axis that is perpendicular to the second rotation axis; a front arm provided on a distal end portion of the second upper arm so as to be turnable about a fourth rotation axis that is in a plane perpendicular to the third rotation axis; a wrist assembly mounted on a distal end portion of the front arm; and motors that rotate the first upper arm, the second upper arm, the front arm, and the wrist assembly about the respective rotation axes, wherein the motor that rotates the second upper arm is mounted on a frame of the second upper arm, and wherein the first upper arm has a long-side member and a short-side member formed in an inverted L-shape, wherein the short-side member is the distal end portion of the first upper arm, and wherein the distal end portion of the first upper arm is provided with a reduction gear that rotates the second upper arm.