Adjustable Arm

FIG. 1 is a perspective view of an adjustable arm showing our new and ornamental design with a convex base;

FIG. 2 is front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of an adjustable arm showing our new and ornamental design with a concave base;

FIG. 9 is front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a side elevation view thereof;

FIG. 12 is an opposite side elevation view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a perspective view of an adjustable arm showing our new and ornamental design with a disc-shaped base attached to a desk;

FIG. 16 is front elevation view thereof;

FIG. 17 is a rear elevation view thereof;

FIG. 18 is a side elevation view thereof;

FIG. 19 is an opposite side elevation view thereof;

FIG. 20 is a top plan view thereof; and,

FIG. 21 is a bottom plan view thereof.

The portions of the adjustable arm shown in broken lines in the figures attached hereto form no part of the claimed design and show the environment in which the adjustable arm comprising the claimed design is to be displayed.