Torsion coil spring

Description

FIG. 1 is a front view of a torsion coil spring, showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a cross-sectional view of a clasp for a fashion accessory, with the torsion coil spring disposed therein.

The broken lines in FIG. 7 depict environment and form no part of the claimed design.

Claims

The ornamental design for a torsion coil spring, as shown and described.