The ornamental design for a toolbin for a ladder, as shown and described.
FIG. 1 is a perspective view of the tool bin for a ladder.
FIG. 2 is an alternate perspective view of the tool bin for a ladder.
FIG. 3 is a further alternate perspective view of the tool bin for a ladder.
FIG. 4 is a front elevation of the tool bin for a ladder.
FIG. 5 is a rear elevation of the tool bin for a ladder,
FIG. 6 is a side elevation of the tool bin for a ladder.
FIG. 7 is a top plan view of the tool bin for a ladder.
FIG. 8 is a bottom plan view of the tool bin for a ladder.
FIG. 9 is a sectional view of the tool bin for a ladder, taken along line 9-9 of FIG. 6.
FIG. 10 is a sectional view of the tool bin for a ladder, taken along line 10-10 of FIG. 7.
FIG. 11 is a sectional view of the tool bin for a ladder, taken along line 11-11 of FIG. 7; and,
FIG. 12 is a sectional view of the tool bin for a ladder, taken along line 12-12 of FIG. 7.
The broken lines shown in the Figures are for the purpose of illustrating portions of the tool bin for a ladder and form no part of the claimed design.