Main Body of Seat Belt Adjuster

FIG. 1 is a top front perspective view of a main body of seat belt adjuster showing my new design; FIG. 2 is a bottom rear perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a left side elevational view thereof; FIG. 6 is a right side elevational view thereof; FIG. 7 is a top plan view thereof; and, FIG. 8 is a bottom plan view thereof. The broken lines, shown in the drawings, indicate portions of the main body of seat belt adjuster which form no part of the claimed design.