Patent ID: 8104372
Filing Date: 2012-01-31
Classification: B25J,Y10S,Y10T

Abstract:
1. A horizontal multijoint type robot comprising: a first arm connected through a first joint shaft to a base, the first arm having a first length between the first joint shaft and a second joint shaft; a second arm connected through a second joint shaft to the first arm, the second arm having a second length between the second joint shaft and a third joint shaft; and a third arm connected through the third joint shaft to the second arm, the third arm having a third length between the third joint shaft and a working shaft; wherein the working shaft is provided rotatably and movably up and down on a distal end of the third arm, wherein the first length is equal to a sum of the second and third lengths so that the second arm and the third arm selectively overlap the first arm so that the working shaft can be positioned along an axis of the first joint shaft, and wherein the working shaft is configured to movably penetrate the third arm in a vertical direction.