The ornamental design for a pinspannerarm, as shown and described.
FIG. 1 is a top plan view of an ornamental design for a pin spanner arm of the present invention;
FIG. 2 is a front view of an ornamental design for a pin spanner arm of the present invention;
FIG. 3 is a right side view of an ornamental design for a pin spanner arm of the present invention;
FIG. 4 is a rear view of an ornamental design for a pin spanner arm of the present invention;
FIG. 5 is a left side view of an ornamental design for a pin spanner arm of the present invention;
FIG. 6 is a bottom plan view of an ornamental design for a pin spanner arm of the present invention;
FIG. 7 is an upper front end isometric view of an ornamental design for a pin spanner arm of the present invention;
FIG. 8 is an upper rear end isometric view of an ornamental design for a pin spanner arm of the present invention; and,
FIG. 9 is an upper front isometric view of a pin spanner assembly showing two of the ornamental arms used together with various fasteners shown in dashed lines to show context.
The broken lines shown in the drawings show unclaimed subject matter only and form no part of the claimed design. A second pin spanner is shown in FIG. 9 for context. However it is noted a single pin spanner is claimed.