The ornamental design for an adjustable padded armrest, as shown and described.
FIG. 1 is a top, front and right side perspective view of an adjustable
padded arm rest showing my new design;
FIG. 2 is a bottom, rear and right side perspective view thereof;
FIG. 3 is a bottom, front and left side perspective view thereof,
illustrating the device in its "open" condition to allow insertion of foam
padding into the sack, the broken lines showing of the padding in the sack
is for illustrative purposes only and forms no part of the claimed design;
and,
FIG. 4 is a top and right side perspective view thereof, illustrating my
new design in its operable position, the broken lines showing of a
wheelchair is for illustrative purposes only and forms no part of the
claimed design.