FIG. 1 is a front perspective view of the arm support for a chair in a first position;
FIG. 2 is a side elevational view of the arm support in a second position;
FIG. 3 is a front elevational view of the arm support;
FIG. 4 is a rear elevational view of the arm support;
FIG. 5 is a top plan view of the arm support; and,
FIG. 6 is a bottom view of the arm support.
The broken lines shown are for environmental illustrative purposes only, and form no part of the claimed design.