FIG. 1 is a top front-right perspective view of an arm for seating unit, showing a first embodiment of our new design within a first environment;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a top, left-side perspective view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a top front-right perspective view of an arm for seating unit, showing the first embodiment, isolated from any environment;
FIG. 6 is a front elevation view thereof;
FIG. 7 is a rear elevation view thereof;
FIG. 8 is a right-side elevation view thereof;
FIG. 9 is a left-side elevation view thereof;
FIG. 10 is a top plan view thereof;
FIG. 11 is a bottom plan view thereof;
FIG. 12 is a top front-right perspective view of an arm for seating unit, showing a second embodiment of our new design within a first environment;
FIG. 13 is a front perspective view thereof;
FIG. 14 is a top, right-side perspective view thereof;
FIG. 15 is a right-side elevation view thereof;
FIG. 16 is a top front-left perspective view of an arm for seating unit, showing the second embodiment, isolated from any environment;
FIG. 17 is a front elevation view thereof;
FIG. 18 is a rear elevation view thereof;
FIG. 19 is a left-side elevation view thereof;
FIG. 20 is a right-side elevation view thereof;
FIG. 21 is a top plan view thereof;
FIG. 22 is a bottom plan view thereof;
FIG. 23 is a top front-right perspective view of an arm for seating unit, showing a third embodiment of our new design within a first environment;
FIG. 24 is a top front-right perspective view of an arm for seating unit, showing a third embodiment of our new design, within a second environment;
FIG. 25 is a top front-right perspective view of an arm for seating unit, showing a fourth embodiment of our new design;
FIG. 26 is a front elevation view thereof;
FIG. 27 is a rear elevation view thereof;
FIG. 28 is a right-side elevation view thereof;
FIG. 29 is a left-side elevation view thereof;
FIG. 30 is a top plan view thereof;
FIG. 31 is a bottom plan view thereof;
FIG. 32 is a bottom front right perspective view thereof;
FIG. 33 is a top front-left perspective view of an arm for seating unit, showing a fifth embodiment of our new design;
FIG. 34 is a front elevation view thereof;
FIG. 35 is a rear elevation view thereof;
FIG. 36 is a right-side elevation view thereof;
FIG. 37 is a left-side elevation view thereof;
FIG. 38 is a top plan view thereof;
FIG. 39 is a bottom plan view thereof; and,
FIG. 40 is a bottom front-right perspective view thereof.
Interior surfaces and other portions of the arm for seating unit not shown in the illustrated drawings, including the bottom for embodiments where the bottom is not illustrated, form no part of the claimed design. Uniform broken lines show environmental structure that forms no part of the claimed design. In FIGS. 25-40, the arm for seating unit is shown with a symbolic break in its length. Any portion of the article between symbolic break lines forms no part of the claimed design.