Power transmission unit and power receiving unit of an industrial robot arm

FIG. 1 is a front, top and right side perspective view of power transmission unit and power receiving unit of an industrial robot arm showing my new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a left side view thereof;

FIG. 9 is a cross-sectional view taken along line 9 - 9 in FIG. 3 ;

FIG. 10 is a cross-sectional view taken along line 10 - 10 in FIG. 3 ;

FIG. 11 is an enlarged cross-sectional view taken along line 11 - 11 at the part 11 - 11 in FIG. 10 with the internal structure omitted;

FIG. 12 is an enlarged referential front, top and right side perspective view of the power transmission and receiving units; and,

FIG. 13 is an enlarged referential rear, bottom and left side perspective view of the power transmission and receiving units.

The broken lines illustrate portions of the power transmission unit and power receiving unit of an industrial robot arm and form no part of the claimed design. The dash-dotted lines denote the boundary of the claim and form no part of the claimed design.