The ornamental design for a dualclamp hinge assembly for attachment to adjacent tubular members, as shown and described.
FIG. 1 is a top plan view of the invention, the bottom plan view being a mirror image.
FIG. 2 is a rear elevation view of the invention.
FIG. 3 is a front elevation view of the invention.
FIG. 4 is a right side view of the invention.
FIG. 5 is a left side view of the invention.
FIG. 6 is a perspective view of the invention with a second similar hinge element; and,
FIG. 7 is a perspective view of the invention shown reduced in scale and in use along with a second hinge assembly to pivotably support two tubular members together.
The broken lines in FIGS. 6 and 7 are for purposes of illustration only and form no part of the claimed design.