Patent attributes
A robot includes robot arm including lower arm, upper arm and hand attached to tip end portion of upper arm such that the hand is rotatable around rotational axis thereof; lower arm drive unit which drive the lower arm to move the hand, upper arm drive unit which drives the upper arm to move the hand; hand drive unit which rotates the hand; hand angular position detecting section which detects angular position of the hand around the rotational axis; and control unit which controls upper arm drive unit, lower arm drive unit, and hand drive unit, wherein the hand includes a blade having a first contact/slide surface and second contact/slide surface which extend in a first direction, contact a teaching target and slide thereon, and first contact/slide surface and second contact/slide surface include a first characterizing portion and a second characterizing portion having bent points in the first direction, respectively.