Adapter

FIG. 1 is a top, front, right-hand side perspective view of an adapter showing our new design; FIG. 2 is a bottom, front, right-hand side perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a back elevational view thereof; FIG. 5 is a right-side elevational view thereof; FIG. 6 is a left-side elevational view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is a top, front, right-hand side perspective view thereof in an environment of use showing an unclaimed hinged label holder being mountable on the adapter; FIG. 10 is a top, front, right-hand side perspective view thereof in an environment of use showing an unclaimed hinged label holder being mountable on the adapter; and, FIG. 11 is a top, front, left-hand side perspective view thereof in an environment of use showing an unclaimed label holder being mounted on the adapter, with the adapter being further mounted on an unclaimed support. The broken lines shown in FIG. 11 illustrate the environment, including an unclaimed support and label holder, which forms no part of the claimed design. The broken lines shown in FIGS. 9 and 10 illustrate the environment in which the adapter may be used, including an unclaimed label holder, which forms no part of the claimed design. The alternating long-short broken lines represent an engagement with an unclaimed label holder and form no part of the claimed design.