Rotary Joint Device

FIG. 1 is a perspective view of a rotary joint device showing the claimed design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right sideview thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a rear elevational view thereof; and,

FIG. 9 is an unassembled view thereof.

The broken lines depict portions of the rotary joint device that form no part of the claimed design.