FIG. 1 is a perspective of a single lever ring binder mechanism having rectilinear binder rings;
FIG. 2 is a top plan view thereof;
FIG. 3 is an enlarged view of a portion of thereof;
FIG. 4 is a bottom plan view of FIG. 1;
FIG. 5 is a right side elevational view of FIG. 1, the left side elevational view being a mirror image thereof;
FIG. 6 is a rear end view of FIG. 1;
FIG. 7 is an enlarged view of a portion of FIG. 6; and,
FIG. 8 is a front end view of FIG. 1.
The broken lines are for environmental purposes only and form no part of the claimed design.
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