Patent ID: 8079285

Claim:
A robot comprising: a work tool configured to perform a predetermined work with respect to a workpiece; a wrist to which the work tool is attached; an arm which supports the wrist and is rotatable around a rotational axis, the arm comprising: first and second members which are provided substantially in parallel to each other in a longitudinal direction of the arm so that the first member faces the second member to form a space between the first and second members, the first and second members being fixed unrotatably to each other; and a base portion provided between the first member and the second member; a cable extending through the space and connected to the work tool; and a third member which connects the first and second members, the third member being fixed unrotatably to the first and second members, wherein the third member is provided at an intermediate position in the longitudinal direction of the arm, and at a location between the base portion and the wrist.