Robot arm having an articulated joint

A robot arm having at least a first limb and a second limb which are connected to one another at one of their ends via an articulated joint so that they can be pivoted relative to one another about a common rotation axis, wherein at least one of the limbs extends in a longitudinal direction and comprises a joint portion and a transition region adjoined thereto, which extends from a lower edge of the joint portion of the limb in the direction of the joint portion of the other limb to extend across a face of the joint portion when viewed from a direction extending transverse to the rotation axis and transverse to the longitudinal direction wherein

• the transition region of at least the first limb has a peripheral edge which, when viewed from a direction extending transverse to the rotation axis and transverse to the longitudinal direction, extends crosses a parting line disposed on the face of the joint portion present between the two joint portions;
• the peripheral edge extending a distance of less than 25 mm outside a surface of the underlying joint portion of the second limb with respect to the rotation axis;
• and wherein
• a portion of the peripheral edge, when viewed from the direction extending transversely to the rotation axis and transversely to the longitudinal direction, extends obliquely across the face of the joint portion to the rotation axis at the position where the peripheral edge crosses the parting line.