The ornamental design for a base for a lifting apparatus, as shown and described.
FIG. 1 is a perspective view of a base for a lifting apparatus showing the new design and having each of a first and a second stop in a stopped configuration.
FIG. 2 is another perspective view of the base for a lifting apparatus of FIG. 1 with the first and the second stops in a retracted configuration.
FIG. 3 is another perspective view of the base for a lifting apparatus of FIG. 1, shown in use.
FIG. 4 is still another perspective view of the base for a lifting apparatus of FIG. 1.
FIG. 5 is yet another perspective view of the base for a lifting apparatus of FIG. 1.
FIG. 6 is a top view of the base for a lifting apparatus of FIG. 1.
FIG. 7 is a side view of the base for a lifting apparatus of FIG. 1.
FIG. 8 is a bottom view of the base for a lifting apparatus of FIG. 1; and,
FIG. 9 is another bottom view of the base for a lifting apparatus of FIG. 1 with the first stop and the second stop in a storage configuration.
All of the broken lines in the accompanying drawings illustrate environmental structure and form no part of the claimed design.