The ornamental design for a toothedconnectionflange for a robot joint, as shown and described.
FIG. 1 is a bottom-up perspective view of a tooth connection flange for a robot joint.
FIG. 2 is a first side view of the tooth connection flange.
FIG. 3 is a plan view of a bottom of the tooth connection flange.
FIG. 4 is a plan view of a top of the tooth connection flange.
FIG. 5 is a second side view of the tooth connection flange; and,
FIG. 6 is a top-down perspective view of the tooth connection flange.
The broken or dotted lines in the figures depict portions of the toothed connection flange for a robot joint only and form no part of the claimed design.