The ornamental design for an armrest, as shown and described.
FIG. 1 is a front side elevational view of an armrest showing one embodiment of our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a front side perspective view thereof;
FIG. 8 is another front side perspective view thereof; and,
FIG. 9 is a perspective view thereof showing use of our new design.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.
The article according to the present design application is an armrest which is provided at one side of an operator's seat of a working vehicle such as a tractor.