Retractable wheel base

Description

FIG. 1 is a perspective view of the retractable wheel base in accordance with a first, retracted configuration of the present invention;

FIG. 2 is a rear, bottom perspective view of the retractable wheel base of FIG. 1;

FIG. 3 is a rear elevational view of the retractable wheel base of FIG. 1;

FIG. 4 is a front elevational view of the retractable wheel base of FIG. 1;

FIG. 5 is a right-side elevational view of the retractable wheel base of FIG. 1;

FIG. 6 is a left-side elevational view of the retractable wheel base of FIG. 1;

FIG. 7 is a bottom plan view of the retractable wheel base of FIG. 1;

FIG. 8 is a top plan view of the retractable wheel base of FIG. 1;

FIG. 9 is an alternate perspective view of the retractable wheel base in accordance with a second, expanded configuration of the present invention;

FIG. 10 is a rear, bottom perspective view of the retractable wheel base of FIG. 9;

FIG. 11 is a rear elevational view of the retractable wheel base of FIG. 9;

FIG. 12 is a front elevational view of the retractable wheel base of FIG. 9;

FIG. 13 is a right elevational view of the retractable wheel base of FIG. 9;

FIG. 14 is a left elevational view of the retractable wheel base of FIG. 9;

FIG. 15 is a bottom plan view of the retractable wheel base of FIG. 9; and,

FIG. 16 is a top plan view of the retractable wheel base of FIG. 9.

The broken lines depict portions of the retractable wheel base that form no part of the claimed design.

Claims

The ornamental design for a retractable wheel base, as shown and described.